Designed for long-lasting chewing sessions that offer enrichment and satisfy a dog's natural chewing instinct. Made from KONG's natural red rubber, it provides a delicious chewing experience while promoting healthy teeth and gums. How to use The new addition to Kong's rubber range, a ring made of strong red resin, durable and perfect for throwing games. As it is made of resin, its bounce is fast-paced, delighting the most active dogs. Measurements S/M: 8,89 X 3,18 X 13,97 Measurements M/L:10,2X4,6X12,97