Firm flat sleep surface and an ultra-lightweight design. Folds flat and fits in a convenient carry bag. Waterproof mattress and bonus fitted sheet. Zip-off machine washable fabrics. Mesh side panels for visibility and airflow. Metal snap-on legs for fast setup. Mesh storage pocket. Designed for infants up to 20lbs or until infant pushes up on hands and knees. Mattress made of 100% Polyurethane foam. Mattress sheet and carry bag made of 100% polyester. Folded dimensions: 5.5"L x 28.15"W x 18.5"H. Assembled dimensions: 30"L x 18"W x 28"H. Warranty available Imported Material & Care polyurethane Spot clean only