BioThane Collars – 1 1/2 Inch Wide Collar – Waterproof, Custom Colors, Beta 520 Super Heavy BioThane – Two Layers (perfect for watersports) | K9 Trading Post
Amazon.com : Dogline Biothane Waterproof Dog Collar Strong Coated Nylon Webbing with Black Hardware Odor- Proof for Easy Care Easy to Clean High Performance Fits Small Medium or Large Dogs : Pet
Shop Biothane Collars - Classic Brass – High Tail Hikes
Biothane Quick Release Sport Collar – High Tail Hikes