Dry - Packs Moisture Absorbing Indicating Silica Gel Packets item number DP includes 20 of the Indicating Silica Gel Packets that have indicating crystals. Dry - Packs Silica Gel Packets will absorb up to 40% of it's weight in moisture and will work until it's fully absorbed. By placing with your valuables it will assist in. Buy [50 Packs ] 5 Gram " Dry & Dry " Premium Silica Gel Desiccant Packets (Rechargeable) - 5 Pack of Humidity Indicator Cards(Reusable): Desiccants. Sorry, there was a problem. I got this to insert into the DandyCase along with my iPhone for taking underwater pics. Returns are easy at Walmart. Rob Kardashian splashes around in pool with daughter dry packets July 4 Celebrated his first July 4 as a father with an afternoon of pool fun 'We're not trying to make religion cool': I will also be using these in mylar bags and mason jars in the near future for peace of mind. Yes No Report abuse.