The greatest innovation in E Collars since the original Buster collar! The well know Buster collar is the original inexpensive E Coller. This new premium collars improves on the original. Features: No assembly required so slips over the patients head and the velco closes securely. Desinged with patient comfort in mind. Soft Neoprene collar with air holes is easily secured and adjusted. Sizing: Neck Circumference; 25-33cm. Base of neck: 37cm. Neck length: 8-14cm. Length from ear to tip of nose: 13-19cm. Weight: less than 10kg. Suitable for the following breeds: Cairn Terrierm, Bichon Frise, Miniature Schnauzer, Jack Russell Terrier, Dachshund, Poodle, Yorkshire Terrier, Border Terrir, Pug, Cavalier Kind Charles Spaniel, French Bulldog and Havanese.