Sandbags, usually by the solid coarse cloth, white canvas and sack sewn, up and down the ten layers, the size of 1.5 feet square, built about 8 kg of iron sand. Some sandbags contain sand, sawdust, beans or sorghum. There are two kinds of square and round, weight and size according to the needs of practitioners. Main exercise muscles.

DERFLEX is professional PVC tarpaulin material manufacturer for over 15 years

18oz tapraulin is the main tarpaulin material to produce flood resistant sandbags

Established in 2001,  Shanghai DER New Material Co., Ltd is a professional manufacturer and exporter that is concerned with the design, development and production of 18 oz tarpaulin, We are located in Shanghai, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.

We have over 400 employees, an annual sales figure that exceeds USD1, 000, 000, 000,  and are currently exporting 65% of our production worldwide. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.

As a result of our high quality products and outstanding customer service, we have gained a global sales network reaching all over the world

If you are interested in any of our tarps PVC or would like to discuss a custom order, please feel free to contact us.

We are looking forward to forming successful business relationships with new clients around the world in the near future.