Excellent exercise for your kids. Can be combined with Steps (Product #GF842 & GF843) for kids to run down, roll down or slide down. 2 Different Models to Choose from: - Standard Filling -- 70 ILD polyurethane foam - Deluxe Filling -- 70 ILD polyfoam with 1 2/3" layer of crosslink polyethylene Comes Standard in Random multi-colors. (Specified colors available for no charge however you will need to add 2-3 weeks lead time to the order.) Covered in tough 18 oz. vinyl-coated polyester fabric, durable dacron thread, and sturdy nylon zippers. Weight: 25 lbs. (UPS Ground) Shipping & Handling to 48 U.S. States: $46 (Alaska, Hawaii & Canada will be extra.)