Prosourcefit Balance Trainer, Black:Endless Workouts–Designed for ultimate versatility, never tire of exercises with the limitless possibilities! Add new challenges to basic exercises like sit-ups, squats, lunges and much more!Strengthen with Balance–Build core strength and ankle strength from balance training. During every exercise, feel your core engage as you find your balanceResistance Bands Included–Take your upper body workout to the next level. Two resistance bands are included, each with a resistance level of 15 to 20 pounds. Combine resistance training with balance training for a thorough, strengthening upper body and core workoutAnti-Burst Strength–Made from durable PVC and rubber to withstand your intense workouts. Train with weights, resistance bands and cardio exercises. The heavy-duty dome is built to withstand up to330 lbSlip-resistant Dome–Designed with a textured pattern and non-slip surface to provide secure footing during workouts. Step on and off the balance trainer with stability and strength.