Features: 1. This is a kind of multifunctional spring, which has strong telescopic ability and can effectively fix various pet cages. 2. These finger spring latch hooks are made of high quality metal material, it is not easy to rust, wear‑resistant, which can be used for a long time. 3. Easy to use, pull ring design, high elasticity , fixed with spring, convenient for cage opening and closing, saving effort. 4. Nice cage accessories, fix cage doors to animals from escaping, with good durability and practicality. 5. Wide applications, easy to install, used to lock rabbits cages, chicken cages, pigeons cages, quail cages, bird cages, etc. Specification: Item Type: Rabbit Cage Spring Material: Galvanize Color: As shown in the picture Product Size: As shown in the picture Weight: Approx. 163-224g / 5.7-7.9oz Package List: 20 x Rabbit Cage Spring Features 5 Adjustable LED Lights: Enjoy a variety of colors including red, blue, green, and multi-color, providing a visually stimulating experience for your pet. With 1.5 hours of charging, the lights can last 5-6 hours, bringing joy to your pet. Convenient Remote Control: A small wireless remote control with a range of 4 to 16.4 feet enhances the ease of training and playing with your pet, providing comfort and convenience. 3 Interactive Reaction Modes: With roller, bounce, and automatic sleep modes, the smart rolling ball actively engages your pet, promoting smooth interaction and automatic play, ensuring pets are entertained and mentally stimulated. Durable and Safe Material: Made of high-impact ABS plastic and TPE, the pet balls toys are wear-resistant, drop-resistant, and environmentally friendly, providing a safe and enjoyable playtime for pets. Suitable for all kinds of cats and dogs. Stimulate Hunting Instinct: This automatic bouncing ball stimulates the hunting instinct of your cat and dog, keeping them mentally active and healthy while having fun.