Extra Thick Pad: The thicken cushion made of high-density sponge, make your shouder under the protection and make bags feel 50% lighter. Easier to use for D-ring or equivalent hardware. for laptop bag, briefcase, messenger bag, tool bag etc Fixed Cushion: The fixed pad design keep it on your shoulders and do not have to adjust it often, do not worry about pad slipping and hurt your shoulder by heavy bag anymore Dual Balanced Buckles: Adjustable both ends and make the fixed pad keep in the middle of the shoulder, make force more even and bag Feel 50% lighter, the dual clasps are stable and will not change the length of the strap by the weight change Comfort & Breathable: The ultra-thick strap provides support, cushioning, shock absorption, and breathability for your shoulders, 100% more comfortable, so no more worries about pads slipping and heavy shoulder bag compressing and hurting your shoulder Material & Size: The universal shoulder strap is made of high-density tear-resistant nylon and premium aluminum alloy material is more solid and durable. Adjustable length from 48' to 78' (123 to 200 cm). Perfect for your family and friends