Material: PU LeatherColor: blackSize: LYou can make holes in the collar by yourself.Size Fits neck Total length Width L 14.8"-18.5"/37.7cm-47cm 20.5"/52cm 0.98"/2.5cmM 11.7"-15.4"/29.8cm-39.2cm 16.9"/43cm 0.79"/2cm S 11.1"-13.6"/28.3cm-34.5cm 15.4"/39cm 0.59"/1.5cmXS 9.3"-11.1"/23.6cm-28.3cm 12.2"/31cm 0.39"/1cmNOTICE: 1. Due to the differences between monitors， the picture may not reflect the actual color of the item.2. Please allow 1-5mm errors due to manual measurement. This dog safety collar made of PU leather is really a good gift for your lovely pet. It is fashionable and really cool.Buy one for your pet today.1 x Pet collar