Sprenger Black Stainless Steel Prong Collar With Click Lock Size:3.25mm - 21" (Fits 20" Neck) with Buckle Receivers have a light that

Receivers have a light that can be activated from the remote and set to flashing or solid

Contains no harmful chemicals

Reflective elements on front and back

The Redline K-9 Intermediate Bite Suit Protection Sleeve is designed for use with young or novice dogs and is comprised of a bite suit lower section mated to a plastic upper cuff

Additionally

Sprenger Black Stainless Steel Prong Collar With Click Lock Size:3.25mm - 21" (Fits 20" Neck) with Buckle Receivers have a light thatMade in Germany from anodized stainless steel Easy open click lock buckle Famous Herm Sprenger quality Does not constrict [split] Herm Sprenger prong collars have long been considered the gold standard for prong collars. These collars are made in Germany from high quality stainless steeland anodized black. The black color blends nicely with dark colored dogs and helps reduce the visibility of the prong collar for sensitive environments. Click Lock