Waterproof RV Bunk Mattress Protector for 30 x 75 Narrow Twin Bed Cot Size Fitted Sheet Style Matress Cover

["Soft and Quiet: Our RV-size mattress cover features a noiseless, breathable design that helps reduce heat build-up, providing a cool and comfortable sleep. It also offers reliable waterproof protection.","Perfect Fit for Most Mattress Sizes: Easy to install, our fitted sheet comes in a variety of sizes: Crib (28\" x 52\"), Twin (39\" x 75\"), Twin XL (39\" x 80\"), Full (54\" x 75\"), Full XL (54\" x 80\"), Short Queen (60\" x 75\"), Queen (60\" x 80\"), King (78\" x 80\"), and California King (72\" x 84\"). You'll find the size that fits your needs.","Fully-Elasticized: Designed with deep pockets to fit mattresses up to 12 inches deep, this fitted sheet stays securely in place.","Soft Cotton Terry Surface – Comfortable, quiet, and breathable, maintaining the feel of your mattress.","Fitted Sheet Style cover with elastic all around. Waterproof layer on all 5 sides (top and 4 sides)"]