Commonly used sponges are made of wood cellulose fibers or foamed plastic polymers. In addition, there are also natural sponges made of sponge animals. Most natural sponges are used for body cleaning or painting.

Sulfuric acid paper is made of fine plant fibers intertwined with each other and subjected to free pulping, no sizing, no fillers, papermaking in a humid state, and then soaked in 72% concentrated sulfuric acid for 2 to 3 seconds, washed with water and then glycerin It is a hard film-like substance formed after treatment and final drying. The texture of sulfuric acid paper is firm, dense and slightly transparent. It has the characteristics of strong resistance to oil and water penetration, airtightness, and high humidity. It can be waterproof, moisture-proof, oil-proof, sterilization, and disinfection.

Air Bubble Film is also known as air cushion film, air bead film, bubble cloth, bubble paper, bubble film, bubble film, ordinary polyethylene air cushion film, antistatic air cushion film, flame retardant air cushion film, aluminum foil air cushion film, kraft paper bubble film machine , Color printing air cushion film, three-layer air cushion film (single-layer bubble), five-layer air cushion film (double-layer bubble), polypropylene thickened air cushion film, composite pearl cotton air cushion film.

Pearl cotton, also known as EPE Pearl cotton, is a new type of environmentally friendly packaging material. It is composed of low-density polyethylene grease through physical foaming to produce countless independent bubbles.