The fitted sheet features elastic plastic on both sides that help organize your cell phone, tablet, or keys by keeping them within easy reach. These microfiber sheets have an antimicrobial treatment for health and wellness - kills and prevents bacteria buildup, helps reduce odors, and enhances hygiene. These sheets are also OEKO-TEX certified, meaning they do not contain any harmful substances or chemicals, ensuring quality comfort and wellness The fitted sheet fits up to a 14-inch mattress. Twin (4 pcs) 1 Flat Sheet: 66"W x 96"L 2 Standard Pillowcases: 20"W x 30"L 1 Fitted Sheet: 39"W x 75"L + 14"D Twin XL (4 pcs) 1 Flat Sheet: 66"W x 102"L 2 Standard Pillowcases: 20"W x 30"L (2) 1 Fitted Sheet: 39"W x 80"L + 14"D Full (6 pcs) 1 Flat Sheet: 81“W x 96"L 4 Standard Pillowcases: 20"W x 30"L 1 Fitted Sheet: 54”W x 75"L + 14"D Queen (6 pcs) 1 Flat Sheet: 90"W x 102"L 4 Standard Pillowcases: 20"W x 30"L 1 Fitted Sheet: 60"W x 80"L + 14"D