The carabiner is made of high quality and aircraft aluminum material, sturdy and practical. new with high quality Can open and close smoothly Great for outdoor activities, such as camping, fishing, hiking, traveling etc. More , powerful small carabiner, , safe and convenient. perfect for outdoor activities such as camping, fishing, hiking, travel, keychains, luggage, toys, kettles, backpacks, etc. (This product is not suitable for climbing.) Great for adventurers and outdoor enthusiasts, this carabiner is a must have accessory for camping, fishing, hiking, and more. Its five pointed star add visual appeal while the spring loaded mechanism allows for quick and convenient use. Colour:matte silver Material:Aluminum alloy Size:4.8x4.8x0.5cm Package Contents: 30 buckle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.