Gnawbbers Durable Indoor & Outdoor Floating, Flexible Dog Toys Unique material - Gnawbbers toys feature a proprietary material that is lightweight and durable. They fly and float with ease yet are surprisingly tough and flexible for longer lasting play. Flexible - Gnawbbers toys are flexible in both form and function. Throw it, chew it, bounce it, or float it. Soft &amp; Textured &ndash; Gnawbbers&rsquo; modern shapes feature a unique, bumpy texture that feels great on dog's gums and is soothingly soft on dog's teeth. Indoor &amp; Outdoor Use - Gnawbbers are easy to clean and can be used in water (they float!), at the park or inside your home.