HYDROSORBENT® Moisture Absorbers for Cameras, Telescopes, Safes (40gm – 2 Pack). Blue to Pink. Rechargeable, Reusable Desiccant Dehumidifier. Made in USA Silica Gel Desiccant Mini Canisters.

Customers find the dessicant container works well, with one mentioning its color indicator functions as advertised. The product effectively keeps moisture out, with one customer specifically noting it keeps guns and ammo dry.