Home / Provisor / Optivizor for Long Snouted Dogs Optivizor for Long Snouted Dogs Normal Snouted Dogs SizesPriceTypeTypes of dog breedsSizing guide Comes in 3 Sizes: Small Small/Medium Medium From $32.00 – $85.00 Clear With Tint With Mesh With Tint & Mesh Click on the chart above for more information. Previous slide Next slide