Our brightly-patterned Dog Collars are super soft, and feature a sturdy buckle and highly reflective stitching around the full length of the collar for additional safety at night. Check out our matching dog bandanas, leads and harnesses today! Each collar also comes with 6 months warranty for total peace of mind. [unique_description_1] SIZING: SMALL Length: 28-41 cm (11-16 inches) Width: 2 cm (0.8 inches) MEDIUM Length: 35.5-51 cm (14-20 inches) Width: 2 cm (0.8 inches) LARGE Length: 45-66 cm (17.5-26 inches) Width: 2.5 cm (1 inch) [/unique_description_1][unique_description_2] The fabric of our dog collars is made up of 100% rPET material, which is recycled PET (Polyethylene terephthalate) material mainly coming from plastic bottles.