Stow & Go! 1000pc Puzzle Mat and Storage

This puzzle mat storage and transport kit brings portability to puzzle making by giving you a way to securely store and transport unfinished puzzles. Instead of leaving your in-progress puzzle out, you can use this handy kit to keep already finished sections together and in place. With a mat measuring 39 by 22 inches Puzzle Stow&Go fits puzzles up to 1000 pieces. Designed for Storage and Travel! Puzzle Stow & Go lets you go virtually anywhere with your favourite puzzle in tow. A black felt mat, an inflatable tube, and two rubber bands make it easy to take puzzles wherever you travel.

Source: https://www.mastermindtoys.com/products/stow-go-1000pc-puzzle-mat-and-storage