Deep Pocket King Size Sheets 21ft Oversize Flat & Fitted Sheets

In this review the Deep Pocket King Size Sheets are evaluated for sleepers with high-profile mattresses and anyone who wants a neat, secure fit. The single biggest reason to consider these sheets is the genuine 21' deep pocket and oversized flat sheet design, which is meant to cover mattresses with thick toppers and still tuck in neatly. The set reviewed here is a 4-piece collection with a 21' deep fitted sheet, a super oversized flat sheet, and two zippered pillowcases, all made from 100% ultra soft microfiber.

Key Features

• 21' Deep Fitted Sheet: The fitted sheet fits mattresses from about 18' to 23' deep so it stays on high-profile and pillow-top mattresses all night.
• Super Oversized Flat Sheet: The flat sheet measures W 122 in x L 110 in so it hangs over the sides and tucks under tall mattresses for a polished look.
• Zipper Closure Pillowcases: Each pillowcase has a hidden zipper closure which keeps pillows fully enclosed for a neater appearance and less shifting.
• 100% Ultra Soft Microfiber: The fabric offers a soft, cozy hand and is designed to be wrinkle resistant and low maintenance after machine washing.
• Easy Care: These sheets are machine washable and tumble dry low, with instructions to remove promptly to minimize wrinkles and avoid ironing.

Who It's For

These sheets are best for owners of king size beds with high-profile mattresses, mattress toppers, or pillow-top layers who need extra depth in a fitted sheet and extra length on the flat sheet. The set is also a good match for shoppers who prefer a soft microfiber finish and want low-maintenance bedding that resists stains and wrinkles.

Shoppers who prefer natural fibers such as cotton or linen, or those seeking a luxury high-thread-count cotton feel, may want to look elsewhere; this set emphasizes softness and fit with synthetic microfiber rather than a natural fiber composition.

Pros & Cons

Pros

• Generous 21' deep fitted sheet that reliably fits tall mattresses and toppers without popping off.
• Super oversized flat sheet provides ample hang and tuck for a tidy bed appearance.
• Zippered pillowcases keep pillows contained and present a cleaner look than flap closures.
• Soft microfiber fabric gives a comfortable, cozy feel and requires minimal ironing.

Cons

• Some users report mixed experiences with the zipper durability, so the closure may require gentle handling.
• Buyers seeking natural fiber sheets or a crisp percale finish will find microfiber feel different from cotton options.

Specifications

Set Contents	1 fitted sheet, 1 flat sheet, 2 pillowcases
Fitted Sheet Size	King 78 in x 80 in + 21 in pocket depth
Flat Sheet Size	W 122 in x L 110 in (super oversized)
Pillowcase Size	20 in x 40 in with hidden zipper
Material	100% ultra soft microfiber
Care	Machine wash, tumble dry low, remove promptly

Our Verdict

These deep pocket king sheets deliver real value for anyone with a thick mattress or topper who needs a reliable 21' fit and oversized flat sheet. The microfiber is soft and easy to care for, and the zippered pillowcases are a practical upgrade. They are a sensible purchase for sleepers seeking a secure, neat bed; those wanting natural fibers or a different texture should compare alternatives.

Frequently Asked Questions

Will the fitted sheet stay on a 20' mattress?
Yes, the 21' pocket is designed to fit mattresses from roughly 18' to 23' deep, so a 20' mattress should be securely covered.

Are the pillowcases washable with the sheets?
Yes, the pillowcases are machine washable and can be tumble dried low like the rest of the set; remove promptly to reduce wrinkles.

Does the flat sheet fully cover high-profile beds?
The flat sheet is super oversized at W 122 in x L 110 in, intended to hang over the sides and tuck under tall mattresses for a neat finish.