The KONG EZ Clear™ Collar promotes healing by preventing your dog from bothering wounds while still allowing him or her to see. Hook and loop straps make this collar very easy to take on and off and to adjust for comfy fit, keeping wounds safe to mend while your dog heals. Comes in 5 Sizes 
 
Small fits - 6.5-8"
Medium fits - 7.5-10"
Large fits - 10-13"
X Large fits - 13-16"
XX Large fits - 16-21"