Sentry Calming Collar for Dogs 1 count Pack of 4

Sentry Calming Collar for Dogs 1 count Pack of 4You may also like Shock Collar for Small Dogs - 4200FT Dog Training Collar with Remote for 5-30lbs Small Dogs, IPX8-Waterproof Rechargeable E-Collar with Beep (1-9), Vibration(1-3), Safe Shock(0-16).