Description Stand Out From The Pack with the Soft Comfort, Boho Style leather dog collar. Whether you are bounding along together on your morning run, or checking out the city cafes, the Avalon collar is a classic boho piece. SIZE GUIDE XXS = 20 – 26cm (2cm width) XS = 24 – 30cm (2cm width) SA = 28 – 34cm (2cm width) SB = 28 – 34cm (2.5cm width) M = 32 – 42cm (2.5cm width) L = 39 – 49cm (4cm width) L2 = 39cm – 49cm (2.5cm width) XL = 47 – 57cm (4cm width)