made of soft neoprene with nylon fabric. all size and color are welcome good promotional item for pet. pet products,pet bowl,water foods bowl and all kind neoprene pet product.Pet lanyardmaterial: neoprene,3mm 4mm 5mm and any thickness are welcome.any size are welcome.can floating, easy to take when travel.waterproof,soft,good for promotion for pet item. neoprene dog lanyard