A.d.k Limited Corporation is based in Viet Nam and lists disposable drinking straws on Global Trade Plaza. The company offers E-Straws, a drinking straw solution made from rice starch, wheat starch and natural color. The seller states the straws are 100% biodegradable and edible, positioned as an alternative to plastic, paper, metal and bamboo straws. The seller also states they remain rigid for 2 to 4 hours in room temperature liquids and longer in iced drinks, decomposing within a few days after use. Buyers can send an enquiry through Global Trade Plaza.