The ab wheel features two non-skid wheels joined to a solid metal bar for safety and stability. The ab wheel tones every upper body muscle group， including shoulders， arms， back and abs.

Features:
Two non-skid wheels for added stability.
Easy-grip handles to prevent slippage.
Comes with a mat to protect your knee.
Strengthen and tone abs， shoulder， arms and back.

Specifications:
Material: Chromium-plated steel， plastic， PVC
Wheel size: 18 * 4.5cm / 7.1 * 1.8in (D * W)
Mat size: 34 * 17 * 1cm / 13.4 * 6.7 * 0.4in
Wheel weight: 547g / 1.27lb
Package size: 20.5 * 20.5 * 9cm / 8.1 * 8.1 * 3.5in
Package weight: 719g / 1.59lb

Package List:
1 * Abdominal Wheel
1 * Mat