This unique silicone training ring features a rounded wing that holds up to three small weights. Each grooved hole supports a 56 gram removeable steel ball that locks securely into place for any play time activities. Stretchy and comfortable, it's a simple design that snugly supports and fortifies, with incremental increases up to 170 grams in total. Submersible in water & easy to clean. - Silicone weighted training ring - Three 56 gram removable weights - Grooved holes hold weights securely - Comfortable, stretchy ring - Made from creamy smooth silicone - Weights made from steel - Height: 7.7 cm, Depth: 3.5 cm, Width: 5.2 cm - Waterproof & submersible - Phthalate & latex free