These softer, safer kettlebells are made of solid, semi-flexible, no-scuff rubber with a slight give. Offers a confidence-inspiring experience for the novice and safer technique development for all. No-bounce construction with flat bottom prevents rolling and adds an additional safety factor and storage convenience. Uniform diameter with smooth-turning polypropylene handle. Color-coded and easy-read, wear-proof numerical weight identification. Truck delivery on set with rack. Rack measures 42"L x 15"W x 30"H; 64 lb.