Safe Silica-Gel Safe & Strong Silica Gel packets Desiccants Dehumidifiers 3 1/4 x 2 1/4 inch - 25 Silica-Gel Packs of 0.3oz(10g) each by Safe-Gel Desiccant made of natural minerals having nanoparticles with excellent absorbent. Desiccant being easily biodegradable due to no use of adhesive. Desiccant appropriate for Clothing, Drug and High-Precision Industries. Desiccant base on PATENTED TECHNOLOGY.