Tumble Forms 2 Weighted Vests are designed to help calm children with SID and ADHD with an emphasis on durability and comfort. Each vest is made from a stain resistant, flame-retardant brushed nylon outershell with an appealing print pattern. Sewn pockets on the front of the vest make it easy to add weights as needed. Weights are constructed of lead-free steel shot evenly distributed within a sewn nylon fabric casing. The vest secure easily with hook and loop fasteners.