HAPARI Illusions™ Half Size silicone breast inserts are safe and easy to use for an enhanced, natural, full-figured look. Sold in pairs, our Half Size Illusions should be positioned under the breast to lift and boost cup size by a half-size. They can be used in salt water or chlorinated water and are non-absorbent. Each Half Size insert weights 2 oz. HAPARI Illusions are designed to fit into the secret pockets that are built in to most HAPARI tankini, bikini and one-piece styles.