Yomogi Belly Button Patches 30 Patches Diet Stickers Stickers to apply to your belly button Applying and sleeping with these is expected to have a detox effect. Recommended for those who want to diet. Brand new, unused, set of 2 boxes. Simply insert into your belly button and secure with the sticker. Effective for about 8 hours. Just do it while at work or before bed. No worries about odors for those around you. Effectiveness is unknown. Expiration date is unknown. Immediate purchase OK.