Safer than a real stick and a lot more fun. The DOOG Super Sticks are the super hero versions of the original sticks. They are splinter free, made from recycled rubber, have glow in the dark eyes and FLOAT IN WATER. They even have a rope for easy slobber free throwing. Made from recycled rubber Glow in the dark eyes Floats in water Splinter Free Built-in slobber resistant rope and handy grip. Not only dog-friendly but eco-friendly too. Please note this product is designed as a fetch toy NOT a chew toy. For supervised play only. This product has been tested to the highest worldwide standards (which even cover kids toys) and has been approved as 100% non toxic.