The Vibram Stick is made by My Good Dog in the USA, from natural rubber (nitrosamine free) for durability & toughness. Vibram is used in the manufacture of quality walking boots & athletic shoes. This toys is extremely tough, yet soft on your dogs mouth & flexible. This is a great toy for chewing, tugging, fetching & rewarding. Available in 6" or 8" & comes in assorted colours. (please note we cannot guarantee the colour)