Queen Size 20"×30" Inches These waterproof pillow protectors prevent against All Stains, Like Sweat, Urine, Dander, Snack Residue from Ruining Your Pillows. Extends the life of your pillow. Made of 3D Air Bamboo microfiber for that cooling effect to repel off heat so that you stay naturally cool during warm nights! 70% bamboo cotton fabric and 30% tencel interlayer, and is equipped with high-quality invisible zipper. Exquisite and scientific pattern design keep fluffy and soft quality, and it's more comfortable for human skin. This pillowcase is hypoallergenic soft and skin-friendly, breathable, quiet, and waterproof. The comfortable touch can help you fall asleep quickly, allowing you to sleep peacefully all night long.