Designed specifically for spatial awareness and interaction through balance and resistance. Experience your body in a new way with this Stretch Bodysock by increasing body awareness, strength and creativity. Stretch Bodysock also creates a protective and imaginative space. Teachers use Stretch Bodysock to demonstrate concepts of shape, space and visual motor coordination. Each pillow case-like sack is constructed from four-way stretch Lycra® with a reinforced Velcro-closed entrance.