BLUE High Density Foam Roller - 18"x6" - &sup2;GQCFZ PE Roller: Made of soft and durable PE foam is suitable for beginners EPP Roller: Extra Firm Roller with high density EPP Foam, smooth surface is suitable for advanced users 3 in 1 Combo includes EPP Foam Roller , Massage Stick and Spiky Massage Ball Choose from 12, 18, 24, and 36" long with 6" diameter. Support up to 300lbs Ideal for massage, balance, strengthening, flexibility, muscle re-education and rehab exercises