Fun, 3-Dimensional Kozie-Sac made of 4 way stretch nylon/spandex provides kids with resistive and creative movement. Sensory, proprioceptive and vestibular exploration is provided while having tons of fun! May help improve balance, position in space awareness, and motor skills. Specially designed front closure allows for independent entry/exit while still providing orienting to what is top and bottom, (spatial awareness). Kozie Sacs are a fun way to help calm and to help promote self-calm. Have tons of fun while providing Deep Pressure Input and helping to organize the sensory system.