The yoga wheel outer ring is made from durable and anti-slip TPE material for better cushioning. The textured surface provides improved friction and stability. The yoga wheel inner ring is constructed from highly durable ABS material, designed for high load bearing, resistance to deformation, and long-lasting use. It can support up to 300 lbs. Free from moisture accumulation, thanks to its superior padding, the yoga wheel can be used during intense yoga sessions. The leaf vein pattern enhances slip resistance, and the material is easy to clean. This spine roller wheel offers sufficient cushioning for your back, shoulders, hips, and limbs, allowing for more comfortable stretching. It is an effective back opener and stretcher, helping you explore new yoga sequences and poses. The yoga back roller can be used to strengthen core muscles, stretch ligaments, relax shoulder tension, and improve body posture and slouch, supporting safe and comfortable movement during yoga practice.