Silica Crystal: Refers to highly porous, amorphous silicon dioxide (SiO₂). It acts as a powerful desiccant that absorbs liquid and traps odors at a molecular level. Classic: Typically denotes the brand's standard or original formula (e.g., Kit Cat Classic Silica), characterized by irregular, gravel-like crystal chunks rather than perfectly spherical round beads.Unscented: Contains no added artificial fragrances, dyes, or chemical masking agents, making it suitable for sensitive animals or individuals with respiratory allergies. 1-6mm: Specifies the physical particle size range. The blend of fine 1mm grains and larger 6mm crystals creates a dense barrier that maximizes moisture absorption while remaining gentle on a cat's paws. 1.8kg: The net weight of the product inside the packaging (1.8 kilograms / approx. 4 lbs.).pw: An inventory, packaging, or internal manufacturing code. It most frequently stands for Plastic Wrap, Paper Wrap, Pack Weight, or a regional market code indicating how the unit is bundled for shipping.
