BOOMBA PERFECT BOOST INSERTSBOOMBA 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, no sewing needed Lightweight and super comfy to wear Same insert you love, new name! Weve renamed Perfect Boost Inserts to Demi Boost (Lite) Inserts. Dont worry! Its still the exact same