These Bags are widely demanded for salient attributes like high transparency, high service life and durability .it is mainly used in the tire industry, pipe & belt industry, shoes industry, containing of all kinds of chemical materials and supplies (such as white carbon black, carbon black, anti-aging agent , accelerating agent, coupling agent, and other raw rubber ingredients). It can be put into rubber mixing equipment such as banbury mixer and mill with raw materials and rubber without affecting the quality of rubber products. Use EVA packaging bags to contain all kinds of raw materials and auxiliary agents, can not only eliminate dust emissions, get exact weighing and proportioning but also reduce the injury of harmful substances to workers.