21" Inches Deep Pocket Fitted Sheet King Size 450 Thread Count Solid Silver Egyptian Cotton Egyptian Cotton Super Deep Pocket Fitted Sheet Single Bottom Sheet/Fitted Sheet has 21 Inches Deep pocket. Fully elasticized Fitted Sheet to hold a thick mattress for a long time. Colorfast, Eco friendly dyes. Wrinkle free, stain resistant, hypoallergenic, and resistant to dust mites. 100% Egyptian Cotton (450 Thread Count) with fine & super soft single ply fabric. Anti shearing weave improves durability and avoids piling. All the products are packed in a Beautiful Tissue Bag (It is 100% reusable and biodegradable). A small step taken by us to keep our earth clean and green. Machine wash in Cold Water. Do Not Bleach. Tumble Dry Low If Needed. Wash Dark Colors separately.