Material: The carabiner is made of high quality zinc alloy, durable and will not rust. Product size: carabiner keychain approx. 50 x 22mm. Easy to use: The S-shaped carabiner is easy to open and close, you just need to squeeze it to securely connect the items you want to hang. Package includes: you will receive 30 pieces mini keychain carabiner, sufficient quantity. Widely used: This carabiner is suitable for hanging keys, pendants, small backpacks or other small items; can effectively prevent the loss of items. Note: The data is all manual measurement, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference. Subject to the physical object received.