Elizabethan collars for dogs and cats, 3-piece set, adjustable Includes a cat tunnel and balls as a bonus. - Type: Elizabethan collar - Sizes: Green (elephant design) ⇒ Neck 9cm, Diameter approx. 31cm, Inner diameter approx. 9-11cm : Carrot ⇒ Neck 7cm, Diameter approx. 17cm, Inner diameter approx. 8-10cm : Flower shape (red) ⇒ M size, Inner diameter approx. 7-10cm The collars, except for the flower shape, were once put on my cat, but they were too big, so I bought others and stored these away. - Bonus: Cat tunnel, 3 balls *Please comment if you don't need them. Please understand that these items have been stored at home. I have checked them, but as I am not a professional, please refrain from purchasing if you are overly concerned about minor details. *Please read my profile before considering a purchase. Thank you for looking.