Playmat tube - Monster Protectors prism-shaped play mat tube - won't roll off surface and easy in and out design: when you want the best, demand Monster Protectors. The number one brand in premium albums now introduces the newest addition to its line - monster tubes. Adorned with the monster logo and sporting a new revolutionary Prism design, your mat won't roll off the table, and your fingers can easily go in and out to remove your mat. You will never go round again!