1. The silver sponge holder comes with a blue scratch-resistant protective film. Please remove it before installation(pay attention to protect your fingers from being scratched) 2. : kitchen sink sponge holder crafted from premium SUS304 stainless steel, this rustproof and waterproof holder ensures long-lasting durability. Non-magnetic and built to handle daily use, it a sturdier solution compared to suction cups, holding your sponges securely and neatly in place. 3. : sink sponge clips is perfect for wet areas like kitchens and bathrooms. Made to resist rust and peeling, it combines style and function, keeping sponges clean and within reach. Maximize sink space and keep your area neat and clutter- with this practical solution. 4. : To install on the sink or wall, first clean and dry the surface. Peel off the 3M adhesive backing, attach one side to the hook and the other to the sink or wall. For results, wait 12 hours after installation to ensure a secure hold.