This adjustable rainbow gradient LED light up dog collar and leash set is made of high-quality wear-resistant nylon webbing, featuring a vibrant rainbow color gradient design and a built-in USB rechargeable LED light module. The LED light has multiple flashing modes, ensuring maximum visibility and safety during night walks, effectively reducing accident risks. The heavy-duty quick release buckle on the collar ensures secure fastening and one-hand easy operation, while the fully adjustable design fits small and medium dogs comfortably. The matching leash features a soft padded handle for a non-slip grip, and the heavy-duty metal clasp ensures secure attachment. Perfect for daily walking, night outdoor activities and pet safety. Support custom size, color, logo and wholesale orders.