Hello Kitty Bonbon Drop Stickers Hello Kitty's BONBON DROP These stickers feature a puffy, transparent design like drop candies! They are a hard type of Bonbon Drop sticker! Although they are new and unused, the case (cardboard backing) has folds and bends, so they are being sold at a reduced price. Not suitable for gifts; recommended for home use. Please purchase only if you understand that these are overseas products. They will be sent via simple shipping.