Never lose a puzzle piece ever again with this Roll-Up Felt Puzzle Storage Mat! It can hold up to 1,500 puzzle pieces on it! Please note that it only includes the mat itself and not the puzzle. The is of felt fabric which is soft yet it prevents the puzzle pieces from sliding off easily. With this puzzle storage mat, you don’t have to finish solving the puzzle in one sitting. You can just roll it up and store it; the next time you want to play, just unroll and it will be like you last left it. There are guides you can follow depending on the number of pieces you have or their shape.