Waist Trainer- Stomach Fat Burner Belt - Tummy Trimmer Helps Melt Away Fat During Workouts This Waist trainer is easy to use based on its neoprene and velcro body Tummy Trimmer fits up to a 40inch waist and helps burn fat during workouts Stomach belt for fat burning increases body temperature around your midsection to burn more calories Waist Trainer For Weight Loss Is light weight and best used over top of your workout shirt