The Ravensburger Giant Puzzle Stow and Go is a wonderful and unique storage system. It provides both children, as well adults, with the ability to quickly and easily keep an unfinished jigsaw together. This clever unit contains a felt mat that you build your puzzles on. It comes with an inflatable tube that allows you to easily roll your jigsaw up for safekeeping. This Stow and Go puzzle mat comes with three bands of elastic to keep everything held together and in place. It is designed to be used with with jigsaws that contain 1000 to 3000 pieces. This puzzle roll mat is a safe way to keep your challenging project together. Its inflatable tube also helps in holding the pieces in place during transport. This mat is 59" x 39", making it ideal for larger puzzles. It also allows jigsaw builders to work on their projects in multiple locations.