80% Steel, 20% Silicone
The dumbbells are made of steel with a durable silicone coating that provides a comfortable, non-slip grip and protects both hands and floors.
Washing instructions
Care instructions: Clean with a damp cloth using warm water and mild detergent.Usage: This is a training device. Not intended for use by children.Storage: Store in a dry place at a moderate temperature. Avoid direct sunlight.