Home / Provisor / Optivizor for Normal Snouted Dogs Optivizor for Normal Snouted Dogs Normal Snouted Dogs Types of dog breeds SizesPriceTypeTypes of dog breedsSizing guide Comes in 6 Sizes: Toy Small Small/Medium Medium Large X-Large From $27.00 – $103.00 Clear With Tint With Mesh With Tint & Mesh Click on the chart above for more information. Previous slide Next slide