SLEEP GARDEN Bamboo Pillowcases | 320-Thread-Count | 2 Standard Pillowcases | 100% Bamboo | Hotel Quality | Super Soft | Eco-friendly | GMO Free | Hypoallergenic (Gray) 100% Bamboo Fabric Sateen Weave Imported Made only from top quality bamboo yarn that is Oeko-Tex Certified (Standard 100) Incredibly Super Silky Smooth, Superior Thermal Regulating Hypoallergenic, Antibacterial, Highly resistant to bed bugs Machine Washable & Dryable Each set includes: 2 Standard Size Pillowcases 23-by-33-inch (+ 4-inch).