EBaySlip collar - dog training slip collar/choke collar with an adjustable stopper (limiter) recommended for small or MEDIUM dogs and designed by myself - a professional dog trainer and behaviourist. Made from quality material - Polypropylene multifilament 8 mm rope, braided of 18 strands, strong and snug plastic stopper, solid stainless steel rings Waterproof, and light but durable.  Adjustable, and very easy to put on and take off. Can be used on its own or attached to a short lead or a long line for dog training purposes  There is an option to choose from 5 different sizes and various colours. To use this slip collar correctly, please seek advice from a professional dog trainer. A dog needs to be properly introduced, conditioned, and trained to yield to gentle pressure. It is designed to be used as a communication tool using gentle pressure and release. NEVER LEAVE ANY ACTIVE TOOL - SLIP COLLAR or SLIP LEAD ON A DOG UNATTENDED!!! We carefully test every lead/collar before shipment and do not sell anything we are not 100% happy with.  However, we recommend checking the lead/collar before use for any signs of malfunction. We recommend not using a lead/collar if you have any concerns and contacting us immediately. If there had been a hardware malfunction, we will happily replace the product for you, up to 30 days after purchase.