★ High Quality Materials - The weight sled trainer is made of thickened PVC material, it can be used on the surface of grass, turf or wood floor, velcro-secured straps hold weight bags firmly in place. It is damp-proof, durable and reliable.

★ Adjustable Weight - This sandbag sled trainer comes with 4 weight sandbags, each one is able to fill with 10 lbs, so you can fill into 10-40lbs to meet your workouts. Adjust weight options for variable weight resistance. Adjustable leash length to accommodate athletes of any size.

★ 360° Belt Ring - 360-degree belt ring allows for multi-directional training to improve strength and mobility in any direction; adjustable leash fits any sized athlete.

★ Sandbag Sled Trainer - Adjustable weight sled trainer for sprinters, football players and other athletes strengthen lower-body to improve speed and explosiveness by forcing you to tow a weight in the bag.