These high quality, breathable fitted sheets are the same fabric composition as your CDFC duvet cover and pillowcases, and are thoughtfully designed for a secure hold around your mattress. The cotton fabric is 300 thread count, single-ply, percale weave, which makes for a light, breathable material that can stand up to many washes. The cotton is combed, mercerized and is 30% long-staple, all of which help with the softness, smooth handfeel, and durability. The corners are sewn at a 45-degree angle, which allows for a much tighter hold on the corners of the mattress and making the sheet less likely to slip off the corners. The fitted sheet is also finished with a 1.5” elastic for extra hold at the base. This fitted sheet can accommodate up to 16” mattress height. (Be sure to include the height of your mattress topper in the 16” total if you have one!) Last, but not least, this product is packaged sustainably with recyclable, biodegradable, and water-soluble materials. Classic white is simple and versatile, giving a 5-star hotel feel to any space. Please note: New cotton products have a slight sheen, but the product will become more matte after washing. The colour may not be exactly as pictured – colours can vary across screens and in different environments and lighting. Features 300 Thread Count Percale: 300 thread count percale weave provides the optimal balance of light weight and durability 100% Cotton: Fine cotton is breathable for a comfortable sleep Branded Elastic: 1.5” elastic keeps the fitted sheet in place Angled Corner Design: 45-degree angled corner seams provide additional security Easy Care: May machine wash and dry regularly Guaranteed Quality: Guaranteed against manufacturing defects for 1 Year This product was tested for harmful substances and certified according to OEKO-TEX® STANDARD 100 VC025 232673 TESTEX Imported