Specification: Product name: D-shaped Carabiner clips Material: Aluminum Alloy Size: 47mm x 25mm Quantity: 10 Package includes: 2* red 2* green 2* blue 2* sky blue 2* purple Features: Various colors, large quantity. Made of aluminum alloy which is sturdy and serviceable. Powerful spring, easy to open and close. Can be used in carious outdoor activities, such as hiking, mountaineering, travel, picnic, camping, fishing, etc. Warning: For your safety considerations, do not use in various extreme sports such as climbing, bungee jumping, ice climbing, and high altitude exercise.