Most waterproof crib mattress covers are sized for a standard crib/toddler mattress, about 28 × 52 inches. Product listings commonly show a 52-inch length and a 28-inch width, while thickness (top-to-bottom) varies by model, so check the specific listing for exact measurements.
Top and quilted layers are often organic cotton or polyester (knitted or woven). Waterproof layers or bottoms are typically waterproof polyester, TPU-coated polyester, or similar waterproof backing materials. One listing also noted a 60% cotton/40% polyester blend for the outer fabric.
Listed barrier types include 100% waterproof layers, PVC-free waterproof bottoms, TPU-coated polyester barriers, and waterproof backings or liners. One encasement was also described as lab-tested bed bug proof in addition to being waterproof.
Most listings specify machine wash and dryer-friendly care; several mention tumble dry, while a few recommend line drying or laying flat to dry. Always follow the specific care instructions on the product label.
Covers are sold both as single units and in multi-packs. Search results included single-item listings and multi-packs such as 2‑packs; check the product page for available quantities.
Several covers feature a quilted or fleece top layer and a cushioned fill for extra comfort. Product descriptions and reviews frequently note that these covers feel soft and plush and can add noticeable coziness to the mattress.
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