Quantity: 12 pieces(3 colors of bra strap holders and 3 colors of bra clips); Colors: beige,white and black,these three colors can match with most of your bras^Non-slip bra holders: these bra strap holders can connect both of your bra shoulder straps from the back thus to keep them connected and prevent them from slipping off^Adjustable elastic straps: these bra strap holders are adjustable,and they are stretchable,so you can adjust they length according to the distance between 2 shoulder straps^Strap holder sizes: elastic bra strap clips are approx. 18 cm in length and 1 cm in width,clips are approx. 1.6 cm in inner width,so it can suit bra straps within this width^Wide applications: you can apply one or more bra strap holders according to your needs,suitable for doing sports,running,climbing,exercising and other strenuous exercises