SMS912 Silver Metal Detachable Lingerie Slider Bra Bikini - Fig 9, Size 12 - Pack of appx 50 (29g) Appx 50 detachable silver metal lingerie sliders. Size: 12 - take strap up to 12mm. Appx 50 adjustable detachable sliders Figure 9. Ideal for bra making, bikini, woman lingerie, etc.