Soft mesh bib with adjustable chest strap reflector and Puppia rubber label. This harness guarantees maximum safety and comfort for your dog. Also features an adjustable chest belt. Sizes: XS (Neck – 8.7in Chest 9.8-14.2in) S (Neck – 10.2in Chest – 12.6-17.3in) M (Neck – 12.6in Chest – 5.7-22in) L (Neck – 15.7in Chest – 12.6-17.3in) XL (Neck – 16.9in Chest – 22.4-31.5in) XXL (Neck – 20.9in Chest – 27.6-36.6in). Materials (Outer) 100% polyester (Lining)100% polyester. Ref: UTSO918