BOOMBA Demi Boost (Lite) Inserts Sand Size B Perfect Boost Bra Inserts new open BOOMBA Demi Boost Lite (Formerly Perfect Boost) Inserts in Sand size B fit bra sizes: 30D, 32C, 34B, 36A New open box Demi Boost (Lite) Inserts are abalone-shaped inserts that increase your cup size by one cup. They give your bust a fuller look when you wear those plunging necklines and low-cut dresses. Prevents nipple slips in low-cut tops. Interchangeable between outfits. Lightweight and super comfy to wear Perfect Boost Inserts are now Demi Boost (Lite) Inserts. Don't worry! It's still the same product, shape, and feel you know and love. For the perfect fit, we recommend choosing your true size. Unlike a sticky bra that is supported by adhesive, BOOMBA® inserts are supported by the clothing and cannot stay up by themselves. It is crucial to wear them in fitted tops. New, open box, unused in original packaging. Outer packaging is labeled under the old Perfect Boost name.