Exervo Nimbus Endurabead Pro Lite Foam Roller 18" L x 6" Full Round Beads of Endurabead foam heat molded to form a highly durable foam roller Stays perfectly round even after prolonged use. Firmness rating: Level 4, Firm About 10% softer than our very firm regular Nimbus for a less intense massage pressure Nefitco is the exclusive authorized seller of genuine Nimbus EnduraBead foam rollers Warranty: Two years home, one year commercial when purchased at Nefitco Fitness