Side Release Buckles Clips for 25 mm / 1 in Webbing, Luggage, Back Pack / Rucksack, Straps (Grey, 2 pieces). These quality buckles are designed to work with various strap sizes, with the size referring to the strap itself rather than the buckle. Constructed from strong, high-quality plastic, they boast high tensile strength. The side release action is user-friendly yet secure, ensuring a maximum hold. Simply press inwards to unclip, and clip back together for a firm hold. These versatile clips are suitable for a wide range of uses including belts, backpacks, luggage straps, webbing straps, and lanyard clips.