MACHINE WASHABLE - Wash in hot water. Dryer friendly-tumble dry low heat. Do not iron or dry clean. Reusable and built to withstand up to 300 washes. DURABLE WATERPROOF - 4 layers of protection with a soft breathable 100% polyester top layer, super absorbent high density inner layer breathable waterproof protection. MATTRESS COVERAGE - Measurements are 36x72 inches providing maximal coverage for king mattress. Side tucks are 23’’ long. Covers a large area of the mattress. SIDE TUCKS - Features easy tuck in flaps that slide underneath the mattress keeping the pad in position during restless nights. Stays in place no rolling or bunching with repositioning. Noise free with tossing and turning. MULTIPLE USAGE - Great for caregivers, seniors, pets and parents with toddlers. Keeps your loved ones dry while sleeping. Reduce linen changes while protecting the mattress from stains that can result from excessive sweating, sippy cup leakage, diaper/pullup leakage, menstruation and incontinence.