This product is a thermoplastic elastomer material as the main body, adding mineral oil, viscosity resin, anti-aging agent and other materials to produce, non-toxic and non solvent is environmentally friendly type of hot melt pressure sensitive adhesive. The product is mainly used for express envelope sealed with hot melt adhesive instead of traditional double side adhesive use, can also be used for adhesive coating for double-sided tape, disposable tags, advertising adhesive coated paper, adhesive products, has good initial tack, convenient construction, high bonding strength.