The Puzzle Roll - Roll-up puzzle mat up to 1000 pieces offers even more convenience when doing puzzles. The mat is made of neoprene; a flexible material with anti-slip properties. This makes the puzzle pieces stay in place even better! Simply roll up the mat, secure it with the two supplied straps and the puzzle is stored in no time. Use the supplied nylon bag to store the puzzle dust-free. Suitable for puzzles up to 1000 pieces.