1. Material: PVC net2. Weight: about 50 grams3. Size: S, M, L4. Head circumference: S is about 36-39 cm, M is about 40-43 cm, and L is about 44-48 cm5. Recommended weight: S is about 8-10 kg, M is about 10-13 kg, and L is about 13-186. Application: Bulldog, Pug and other short-mouth flat-faced dogs7. Features: good vision, smooth breathing, breathable, free tongue to dissipate heat, easy to wear, reliable and not easy to fall off, adjustable in size, breathable mesh, surround type breathable and not stuffy, paste design, neck size can be adjusted at will, and stick firmly , the material is safe and odorless, and does not irritate the skin

http://olla.gr/bulldog-mouth-cover-flat-face-dog-anti-eat-anti-bite-drinkable-water-mouth-cover-m-grey-orange/