Instability training on the patented K9FITbone™ helps build core muscles, body awareness, and balance and boosts confidence. It is the perfect training platform – It is low a profile, balance platform canine fitness tool 6p free/pthalate free vinyl plastic TWO SURFACE TEXTURES, RIBBED AND NUBS Inflate as per instructions. Check surroundings for debris/items that can puncture or damage equipment, if necessary, wash with warm water and mild soap. All seasons, indoor use preferred to protect products from excessive heat and cold/sunlight.