TRIGGER POINT Foam Roller Black/Yellow Green Ideal for myofascial release. Japanese genuine product Trigger Point GRID Foam Roller Black 04401 Level 2 Medium Firmness ◇The special structure, which replicates the sensation of a massage therapist's hands, allows for easy self-massage. Portable for competitions, trips, etc. ■Color: Black (04401) ■Material: EVA・ABS ■Size: Diameter: 14cm, Length: 33cm ■Weight: 604g Purchased the genuine product on Amazon Used a few times, but there is no significant deterioration. Thank you.