• Made from super-soft, stretchy FLEXtpr
• Super stretchy material fits any size
• New and improved redesign of OXBALLS original DO-NUT 1 ring
• Designed to stay in place to avoid rolling or uncomfortable pinching
• Doubles as a stackable ballstretching ring

Width: 2" (5.08 cm)
Depth: .5" (1.27 cm)
Outer circumference: 6.25" (15.87 cm)
Inner circumference: 2.25" (5.71 cm)