Katie's Bumpers Double Tug? It's Durable, But Not Indestructible, Safe and Strong Construction. Great for Schutzhund,Agility,FLYBALL Search & Rescue Training. Is used by Ultimate Dogs for ULTIMATE VERTICAL. Available in 5 cool colors. The Double Tug is perfect for Land - Water - Snow. It can be Machined Washed and Air Dry. Made with Pre-consumer Materials. All Katie's Bumpers are intended as interactive play toys. They are not intended as chew toys. Best if used outdoors or on washable surfaces.