90% Silk 10% Polyurethane Length: 30cm Size: FREE This item features a fluffy, natural warmth that protects your precious body from the cold. With a soft touch and a design that traps warm air within the fibers, this is a naturally comfortable belly band. It's smooth and very light. It covers generously from above the navel to around the hips! Made of 90% silk, it's thick yet stretchy, providing a gentle "fit." It's also discreet under outerwear!