The Zee.Cat Gotham cat collar from Zee.Dog is a striking, all black design. Gotham is the new black. Zee.Cat collars are made of super soft polyester and are one size fits all. The buckle is a breakaway buckle that automatically opens if your cat gets stuck out and about. Note that this collar does not come with an attached bell. One Size 1cm wide and adjustable to fit a 20 - 30cm neck.