DESCRIPTION ActivPhy’s innovative Micro Transdermal Technology delivers premium hip joint support in a convenient 30-day collar. The ActivPhy Mobility Collar helps ease the effects of growing older, so your dog can keep playing, adventuring, and living life to the fullest. Perfect for both senior dogs and breeds that are prone to hip joint issues. Get more active days with your dog by never missing a day of hip joint support. The ActivPhy Hip Joint Mobility Collar contains Glucosamine, Chondroitin Sulfate, MSM, Curcumin, Willow Bark, and Bromelain to support joint health and help ease joint pain, discomfort, and stiffness. Perfect for picky dogs or busy pet parents. Features: 30-Day Collar Patented Micro Transdermal Technology Water Resistant Effective for up to 30 Days Includes: 1 Hip Joint Mobility Collar Intended For: Dog Collar Type: 30-Day Hip Joint Mobility Dog Collar Health Consideration: Arthritis, hip & joint, osteoarthritis Dimensions: The Small collar is 14.5 inches in length. Pet Weight: The Small collar is best for dogs 17.5 lbs and under. Collar is adjustable and may be shortened if needed. Use: Monthly Total Weight: .02 lbs