MEET THE DUAL LAYER RING BY PLAYOLOGY: Soft and chewy on the outside and hard and durable on the inside, itàthe perfect toy for Heavy chewers of all ages. Built with a hard inner core, a chewy outer layer, and embedded with scent using our Encapsiscent Technology, this toy mimics the texture of a real bone and features an all-natural Beef scent. The Large size is ideal for dogs 35 lbs and up. | ENCAPSISCENT TECHNOLOGY: A dogàsense of smell is 10,000x more powerful than a humanî Dog's experience the world through scent, so we make toys with the all-natural scents they love. Every Playology toy is embedded with all-natural scent at the microscpic level. The fresh bursts of scent that are released with each chew will keep your pup engaged 7x longer than unscented toys. | EASY TO CLEAN: Dirt and sand trapped on the surface of a toy can grind down your pupàteeth, so we make all Playology toys easy to clean. Plus, our Encapsiscent Technology means you won wash away the all-natural scent they love. Just rinse with warm water to clean and pat dry. | HUMAN TESTED, DOG APPROVED: All Playology toys are tested to meet ASTM guidelines for safety for children's toys and the CPSIA standards for lead, phthalates and other toxins deemed hazardous. Plus, our scents are all-natural. We take derivatives of the actual food and encapsulate them throughout the entire toy. All the joy of the scent, with no chemicals or unwanted calories. | FOUNDED BY DOG LOVERS: When we developed our line, we looked at the science behind what made dogs enjoy their toys. We also asked how human children were protected and used those same safety standards. Everyone at Playology remains committed to designing and developing the best, safest and healthiest toys we possibly can.