Featuring a luxurious 300 thread count (approx.) with no added dyes, Happsy organic sheets provide a cleaner, healthier alternative to sheets made with synthetic or heavily processed fabric. The organic cotton creates a soft breathable surface so comfortable you’ll get excited about getting into bed. The sheet set includes 1 flat sheet, 1 fitted sheet and 1 pillowcase for twin and twinXL sizes. Queen and king sizes come with 2 pillowcases. Fits up to 15-inch thick mattresses. GOTS Certified Organic.