Trigger Point Grid Foam Massage Roller is extremely durable and strong. The Grid Massage Foam Roller provides firm support for all body types. Featuring various surfaces to give you the ultimate foam roller self-massage experience. The roller provides you with an extremely reliable and functional tool that can be used for myofascial self-massage. Lightweight and compact to easily store and carry. Made From High Density eco Friendly Eva Foam. Simple wipe clean surface for long-lasting and hygienic use.