1. Tyvek paper Feature: tear-resistance, good air permeability, great dust prevention ability, water proof, low surface friction, high elasticity, good heat-sealing ability, but the price is high. Combined with paper, cloth and thin film has the characteristics. Using tyvek paper desiccant is the development trend of the future.

1. Silica Gel Cat Litter Silica gel cat litter is also known as crystal cat litter.it is half transparent granular. Advantages: High absorption;the color will be changed after absorbing the moisture.so it’s easy to recognize and clean;It has the function of antibacterial and mildew proof;High deodorization ability;Clean and good looking;long service life;Dust free. Disadvantages:It’s light and easy to dig out;Non-clumping;expensive.