Material: PVC or eco-friendly PVC (ATBC) Sizes: 33cm and 60cm Size: 34cmWeight: 1,000, 1,100gMaterial: eco-friendly ... PVCColors: red, blue, green, purple, silver and moreMassage cushions with logo/stickersOne side with rounded nubs, one ... the spine, releases muscle tension, corrects posture, improves balance and strengthens the torso. Suitable for all ages. PVC Balance ...