Solana 2-Pack backless belt-positioning boosters are designed for big kids raising them up to the proper height for the seat belt. Suitable from 40 - 120 lb or up to 63 in tall. The new Solana 2 pack gives parents the flexibility to keep a spare in the trunk, with grandparents, or at a friends, so theyll never be without a safe belt positioning booster seat. Comfortable and lightweight Solana 2 pack makes the perfect travel companions for your kids on the go. Dual integrated cup holders keep drinks and snacks close and the easy remove covers are machine washable for quick clean up.