we get my dog the smaller rawhides.I personlly wouldnt get the ones that are shape like a circle.Kodie is always supervised when eating it.Its very good for their teeth.

these are the ones that i get..

http://www.petsmart.com/global/produ...=1102123915448

these ones i dont get the circle ones.
http://www.petsmart.com/global/produ...=1102123997642