Thank you for viewing. *Please refrain from price negotiations.* Marukan Minimal Goods Birdcage Key Escape Prevention Discontinued Item End-of-Life Product ★ MR-164 Cage Lock...1 Weight: 33g Suitable animals: Rabbits, squirrels, hamsters, small birds Chain length: 12cm Attach the key ring to the door of the cage and secure it. When you grip the lever on the key part, the carabiner will open, so secure it by sandwiching the wire of the door part and the wire of the cage body. Shipping method → Yu-packet Post mini I will inform you of the scheduled shipping date via message after purchase. Please note that shipping procedures are generally not carried out on weekends and holidays. Thank you.