This handy pack of 2, super soft changing mattress liners are a great alternative for when your current liner is in the wash. Product Features Machine washable at 40 degrees Designed to use with any Mamas & Papas Luxury Changing Mattress. Handy pack of 2. Product Specifications Age Suitability: Birth+ Dimensions: L60 X W:29 Approx. Composition: Front: 80% Cotton, 20% Polyester Reverse: 100% PVC.