Sunny Health & Fitness Toning Tube, Light Allows you to tone and sculpt every muscle group Its compact size is ideal for travel and storage Durable tubing is tear resistant, slip resistant and will withstand repetitive exercise motions. Durable tubing is tear resistant, slip resistant and will withstand repetitive exercise motions. Ergonomic, Lightweight and compact fitness tool excellent for on-the-go fitness. Perfect for travel, gym, in-home use.