Premium Bamboo Bed Sheets - King Size, Cream Sheet Set - Deep Pocket - Ultra Soft Cool Bedding - Hypoallergenic Blend From Natural Bamboo - 1 Fitted, 1 Flat, 2 Pillow Cases - 4 Piece Spa-Like Softness: The secret's the fabric blend: 40% bamboo rayon/60% micro-polyester. You get the luscious feel of bamboo PLUS the silky feel of microfiber. Result: skin-caressing comfort. Regenerated Cellulose Fiber from Rayon - The key to regulate heat making it breathable and cool throughout the night. Always do cold wash and low heat dry to avoid piling. Naturally Hypoallergenic: Allergy troubles? Breathe easy! These sheets resist pollen, dust mites & even harmful bacteria. (They also resist stains & wrinkles, so they look as good as they feel.) Ideal for Deeper Mattresses: At 78" x 80", our fitted bottom sheet will easily fit your oversize mattress (up to 16" deep). Plus, it's elasticized all around, so it will stay on securely all night. Best Customer Service in the Market - At Cosy House we are very serious about customer satisfaction. We address all concerns in an hour and makes you feel confident on your purchases with our 100% Lifetime Money Back Guarantee if unsatisfied.