Help soothe your pup’s hip, joint, and mobility issues with ActivPhy Hip & Joint Mobility Dog Collar! Available in different sizes, this handy, adjustable collar is infused with joint-soothing ingredients like glucosamine, chondroitin sulfate, MSM, curcumin, willow bark, and bromelain, which reduce inflammation and help lubricate joints. These powerful ingredients are slowly absorbed by your dog through contact and can help with joint issues for up to 30 days. Each collar is waterproof and durable, so it can aid your pup no matter where you go. Simply use as instructed to help get your pup back on his feet!