Comes in a resealable pouch with 36 patches for easy travel and convenience. Hydrocolloid technology absorbs pimple causing impurities, oils, and bacteria and helps prevent bacteria from entering sealed area. 24 hour coverage can be applied day or night. Covers and absorbs excess moisture which reduces risk of cystic acne and scarring. Clear 24 Patches are 25 Microns thin, in two sizes to match the pimple and transparent enough to even use under makeup.