This easy fit cover is soft, quiet, breathable and completely waterproof.NO PVC – Conni has eliminated PVC (vinyl) from all our products.The waterproofing is an air-permeable PUL backing, maximising comfort and minimising the risk of allergies and skin irritations. Conni mattress protectors are rustle-free and will not become brittle. Conni mattress protectors are free from elastic so are easy to fit and long lasting. Simply place the cover over your mattress and pull the toggle on each corner to fit snug and securely. Your mattress is completely secured and covered down all sides for maximum protection. The cover is machine washable and can be tumble dried on low heat. Note: this product is waterproof but not absorbent.