BOOMBA Demi Boost InsertsBOOMBA Demi Boost Inserts Natural Lift for Demi Cups, Reusable up to 40x Get the perfect balance of comfort and lift with BOOMBA Demi Boost Inserts. Specially designed for Demi cup styles, these inserts give you a natural looking boost with the option to add up to 2 cup sizes. With double sided adhesive, they securely stick to both your skin and clothingkeeping everything in place and protecting against wardrobe malfunctions, no sewing required. Plus,