Your dog will love it! Very soft, light, padded with nice polar fleece, martingale collar. Width - 5,4cm (2,2") Sizes: S1 - 25cm (9,85") when tight + 7cm (2,75") when loose S2 - 28cm (11") when tight + 7cm (2,75") when loose (average whippet size) S3 - 30cm (12") when tight _ 7cm (2.5") when loose M1 - 32cm (12,6") when tight + 7cm (2,75") when loose M2- 35cm (13,8") when tight + 7cm (2,75") when loose M3- 37cm (14,6") when tight + 7cm (2,75") when loose L1 - 40cm (15,75") when tight + 7cm…