Material: Elastic nylon tricot with plush back. Comfortable for your sensitive skin Quantity: 12 pieces (3 colors × 4 pieces)Color: Beige, white and black, these three colors can match most bras, and are replacements for bra strap holders Strap Clip Size: The elastic bra strap clip is about 21 cm long, 1 cm wide, and the clip is about 1.64 cm inside width, so it fits bra straps within this width Non-slip bra holders: These bra strap holders can connect your two bra straps from the back, thus keeping them connected and preventing them from slipping Adjustable elastic straps: These bra strap holders are adjustable, they are stretchable, so you can adjust the length according to the distance between the two straps.