Extra-long twin sheets are made for Twin XL mattresses, which are longer than standard twin beds. For a child or teen, the right set can make a dorm-style bed, bunk, or guest bed more comfortable and easier to manage. Before you buy, check whether you need a complete set or just a fitted sheet, and measure the mattress with any topper in place. These three picks include a deep-pocket set, a dinosaur-print option, and a fitted sheet designed for a snug fit.
Quick Comparison
| Product | What’s included | Pocket depth | Best for |
|---|---|---|---|
| DREAMCARE Twin XL Extra Deep Sheet Set | Fitted sheet, flat sheet, and two pillowcases | Up to 21 inches | A complete set and a deep mattress |
| AILONEN Dinosaur Twin XL Fitted Sheet Set | Fitted sheet and two pillowcases; no flat sheet | 16 inches | A dinosaur print and fitted-sheet-only setup |
| DeaLuxe White Twin XL Fitted Sheet | One fitted sheet | 16 inches; listed for mattresses 14–18 inches deep | A plain white sheet for a thicker mattress |
Availability note: The supplied listing information marks the AILONEN sheet unavailable. Check its listing before choosing it.
Our Picks: Best Extra Long Twin Sheets Kids reviews
Best Complete Set for a Deep Twin XL Mattress: DREAMCARE
The DREAMCARE set is the most complete option here. It includes a fitted sheet, a flat sheet, and two pillowcases, so you don’t need to find matching pieces separately. The sheets are made from brushed microfiber polyester, and the fitted sheet is designed for mattresses up to 21 inches deep.
A fully elasticized edge and corner strap are intended to help keep the fitted sheet in place. A side pocket adds a handy spot for small items such as glasses or a book. That feature may be useful for a child who likes to keep a few bedtime essentials close, though it may not suit every bed layout.
The listing describes the set as cooling, but fabric feel and temperature comfort can vary from person to person. Microfiber is also a different choice from cotton, so consider your child’s fabric preference. Compared with the other picks, DREAMCARE offers the most pieces and the greatest stated pocket depth.
Pros:
- Includes a fitted sheet, flat sheet, and two pillowcases
- Fitted sheet is designed for mattresses up to 21 inches deep
- Corner strap and full elastic are intended to help secure the fit
- Side pocket provides storage for small items
Cons:
- Microfiber may not be the right fabric feel for every sleeper
- Its side pocket may be unnecessary for some beds or children
Verdict: Choose DREAMCARE if you want a full Twin XL set and need a fitted sheet with extra room for a deep mattress.
Best Dinosaur Print: AILONEN Twin XL Fitted Sheet Set
This AILONEN set pairs a black-and-green dinosaur design with a Twin XL fitted sheet. It includes two pillowcases, but no flat sheet, so check what you already have before ordering. The listed fitted-sheet dimensions are 39 by 80 inches with a 16-inch pocket.
The fabric is described as 100% microfiber, and the product information says it can be machine washed in cold water. Its printed pattern makes it a more playful choice than the plain gray or white options. The main trade-off is that it is a fitted-sheet set rather than a complete bedding set.
The supplied listing information marks this item unavailable. If the design is your first choice, confirm that it can be purchased before counting on it. Compared with DREAMCARE, it has a more kid-focused print but less mattress-depth range and fewer included pieces.
Pros:
- Dinosaur and tropical-leaf pattern adds a bold look
- Includes two matching pillowcases
- Listed Twin XL size is 39 by 80 inches
- Microfiber fabric is described as machine washable in cold water
Cons:
- No flat sheet is included
- Marked unavailable in the supplied listing information
Verdict: Consider AILONEN if your child wants a dinosaur print, but verify availability and plan to supply a separate flat sheet.
Best Simple White Fitted Sheet for a Thick Mattress: DeaLuxe
DeaLuxe is a single white fitted sheet, not a full set. It measures 39 by 80 inches and has a stated 16-inch pocket. The product description says it is designed for mattresses 14 to 18 inches deep, which can make it a practical option for a mattress with a topper. Measure the full mattress height before buying to help check the fit.
The sheet is made from double-brushed microfiber, with reinforced elastic intended to keep it snug on the bed. Its plain white design can work with many bedding colors, and the listing describes it as machine washable and suitable for tumble drying on low.
Unlike DREAMCARE, DeaLuxe does not include a flat sheet or pillowcases. It also has less stated pocket depth than DREAMCARE. In return, it gives you a straightforward fitted-sheet option if you already own the other bedding pieces and want a simple color.
Pros:
- Twin XL size measures 39 by 80 inches
- Listed for mattresses 14–18 inches deep
- Reinforced elastic is designed to help hold the sheet in place
- Plain white color is easy to pair with other bedding
Cons:
- Only one fitted sheet is included
- Its stated 16-inch pocket is shallower than DREAMCARE’s 21-inch maximum
Verdict: Pick DeaLuxe if you need one plain fitted sheet for a Twin XL mattress in the stated depth range and already have other bedding.
How to Choose Extra Long Twin Sheets for Kids
Confirm the mattress size
Twin XL sheets are generally designed for a mattress that measures 39 inches wide by 80 inches long. Check your mattress label or measure it yourself, especially if you are replacing sheets for a bed that may be a standard twin. A standard twin mattress is shorter, so Twin XL bedding may not fit it as neatly.
Measure the full mattress depth
Measure from the bottom of the mattress to the top surface, including any topper or pad that will stay on the bed. Then compare that measurement with the sheet’s stated pocket depth. DREAMCARE lists a fit for mattresses up to 21 inches deep, while AILONEN lists a 16-inch pocket and DeaLuxe gives a 16-inch pocket with a stated mattress range of 14–18 inches.
Check what the set includes
Product names can make a fitted-sheet-only option sound like a full sheet set. DREAMCARE includes a fitted sheet, flat sheet, and two pillowcases. AILONEN includes a fitted sheet and two pillowcases, and DeaLuxe includes one fitted sheet. If you want a complete matching bed, check the item list carefully before choosing.
Choose a fabric and pattern your child will use
All three options are described as microfiber. Fabric feel is personal, so consider what your child likes and how the sheets will be cared for. The AILONEN design has dinosaurs and tropical leaves; the other options are plain gray and white. The printed style may appeal to a child who wants a themed room, while a solid color can be easier to coordinate with changing decor.
Look for practical fit details
A fitted sheet that slips off can disrupt sleep and create extra work when making the bed. DREAMCARE lists full elastic and a corner strap, while DeaLuxe describes reinforced elastic. These details are intended to help with fit, but the right pocket depth is still essential. Check the mattress measurement rather than relying on elastic alone.
Think about care and availability
Follow the care instructions for the specific sheet. The supplied product information describes DREAMCARE as washable at a low temperature, AILONEN as machine washable in cold water, and DeaLuxe as machine washable with low tumble drying. Also check the listing before you decide: the supplied information marks AILONEN unavailable.
FAQs
What does “extra long twin” mean?
It usually refers to a Twin XL mattress, which measures 39 inches wide by 80 inches long. Check your bed’s measurements before ordering because standard twin mattresses are shorter.
Will Twin XL sheets fit a standard twin mattress?
They may not fit as neatly because Twin XL sheets are made for a longer mattress. Confirm the mattress size and compare it with the sheet dimensions before buying.
How deep should the fitted-sheet pocket be?
Choose a pocket that can accommodate the mattress plus any topper or pad. Measure the full height and compare it with the manufacturer’s stated pocket depth or mattress range.
Which option includes a flat sheet?
DREAMCARE includes a flat sheet, fitted sheet, and two pillowcases. AILONEN includes a fitted sheet and two pillowcases but no flat sheet. DeaLuxe is a fitted sheet only.
Are these sheets cotton?
No. The supplied product descriptions identify all three as microfiber options. If your child prefers cotton, you’ll need to look for a different fabric.
Which pick is best for a very deep mattress?
DREAMCARE lists the greatest pocket depth, fitting mattresses up to 21 inches deep. Measure your mattress and topper together to confirm that they fall within the stated range.
Which option is best for a child who likes dinosaurs?
AILONEN has a black-and-green dinosaur and tropical-leaf print. The supplied listing information marks it unavailable, so check its listing before choosing it.
Final Recommendation
For most families choosing among these options, DREAMCARE is the most versatile pick because it includes a flat sheet and two pillowcases and has the deepest stated pocket. Choose DeaLuxe if you only need a plain fitted sheet for a mattress in its stated depth range. AILONEN is the themed choice, but its listing is marked unavailable in the supplied information, and it does not include a flat sheet.