Made of ABS material,durable and lightweight. Easy to use,just plug the handles to the desired position. Burn calories and build strength with this innovative pushup system, leading you through a total-body strength and conditioning workout. Good grip feeling, non-slip design, it helps you to enjoy the fun of your fitness workout as much as you can Different color-coded push up board targets specifics muscles worked (Blue-chest, Red-shoulders, Yellow-back, and Green-triceps)