Through Authenticate 
●YP-1441-1
1. SIZE: (L)24 x (D)15 cm
2. MATERIAL: EVA.ABS
3. HARDNESS: 50±3°
●YP-1441-2
1. SIZE: (L)24 x (D)10 cm
2. MATERIAL: EVA.ABS
3. HARDNESS: 50±3°
●FEATURE:
1. Trainging your AB when use by exercise wheel.
2. Pull out massage stick for massage.
3. Massage roller could be relieve muscle soreness after work out.
