Type of upgrade: The Leg Tummy Trainer, made from premium plastic and much stronger springs than the old one, durable and not easy to crack. This core workout will help you sweat, train your body and build muscle. Keep Fitness: More and more people in our world desire a perfect body. This bodybuilding tool works out your arms, belly, shoulders, legs and buttocks. It can not only lose weight, but also shape your body. Let you own a perfect and sexy body. Best Gift: Designed for those who want to do fitness at home every day, but have more time to go to the gym. The best Christmas gift for your family, friends and staff, for their health and good health. Exercise Easy exercise: standing and sitting are acceptable. Different using method for different exercise. Ideal for toning and strengthening the stomach, waist and legs, arms, hips, thighs and working on the stomach at the same time. Portable light weight: 12.8" x 10.24" (H x W), weight 742g. Easy to store, it can be used anywhere, anytime, in the office, at home or outdoors.