Plastic tube 1,material is eco-frienldy 2,various size,shape,design,color 3,reasonable price with high quality Plastic tube Material chosen:a. PS made, high transparent & non-autoclavable, unlike to stand acid or other chemicals;b. PP made, semi-transparent & autoclavable at 121 Celsius degrees & can stand strong acid ect;c. PE made, not transparent & non-autoclavable & can stand strong acid & ...