For backpack shoulder strap clip expansion bracket

Fangrui Product Details Ncludes Specially Designed Hand And Wrist Straps Rotate Your Camera 360 Degree Or Tilt It Up Or Down Without Un-mounting Can Be Used In And Out Of The Water Adjustable To T A Wide Range Of Adult Sizes Colour:black Material:plastic Polyester Cloth Package Contents: 1 * Shoulder Strap 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.