Renegade rings are performance driven. odorless TPE rings that are super stretchy. never sticky and available in assorted colors. shapes and sizes. Try them all for a variety of sensational possibilities and incredible results. Suitable for all lubricants.- Product Dimensions: SM: 4.2 cm x 4.2 cm x 1.3 cm; MED: 5 cm x 5 cm x 1.4 cm- Product Material: TPE