ONS-ON Rolled Round Collar -4- Blue- Medium Dog Product Description\n\nA round collar made from two layers of genuine leather, minimizing shedding. Crafted from natural cowhide, it resists static electricity!\n\nMaterials & Components\n\nCowhide Leather\n\nUsage Instructions\n\nThe usable period varies depending on frequency of use, but approximately 6 months is a guideline. Please note that even within the applicable weight range, using it on pets that pull strongly may shorten the usable peri