DescriptionThe column is made of conductive silicone and is elastic, which can reduce its pressure on the dog's skin and make the dog more comfortable to wear. When the product works, it will blue light, like the twinkling stars, which is very beautiful and makes it easier to find dogs at night.Feature- Color: Golden. - Material: ABS and silicone. - Perimeter size:7.4-23.5in. - Waterproofing grade: IP65. - ABS shell and electroplated, which makes it more durable and beautiful. - Adopt silicone dog strap, directly fixed on both ends of the stop barking device, and will not loose. - Designed with USB and rechargeable battery, economical and practical. - When the product works, it will blue light, like the twinkling stars, which is very beautiful and makes it easier to find dogs at night. :