PROIRON Ab Roller, 4-Wheel Ab Roller, Abdominal Exercise Roller with Ultra-Comfortable Knee Pad, Quiet, Suitable for Beginners and Women [Latest 4-Whe

[Product Material] Steel tube + PP plastic + foam (handle), folded size: 200 x 105mm. Knee mat: NBR, size: 400 x 200 x 10mm. Net weight: 0.86kg, gross weight: 1.1kg. [Weight Capacity] 100kg. [Safety First!!!] Ab rollers are highly effective for abdominal training, but beginners tend to tip over and injure themselves when using regular single- or double-wheel ab rollers. This four-wheel ab roller provides excellent stability, making it ideal for beginners. [Mute Design, No Damage to Floors, Ultra-Comfortable Knee Mat] The mute bearings mean you don't have to worry about disturbing others. The ab roller can be used on both wooden and tile floors and won't damage them. The PROIRON knee mat is wider than similar knee mats, more comfortable, and less likely to tear. [Small Size, Great Effect] Easy to carry and store. It's easy to carry even when traveling, allowing you to stick to your fitness plan. Jump-start your fitness plan with the PROIRON Ab Roller and get six-packs while sore muscles at the same time! (LOL) [1-Year Warranty] If you have any questions, please contact our after-sales department. We'll be happy to help you solve any problems.