Packaging A wide range of materials and types of containers is used for the marketing and distribution of seed. The range includes: ● Burlap (กระสอบ, ผ้าบางๆ) (a course canvas), cotton, paper (bleached sulfate and bleached Kraft papers are both used). ● Polythene or other suitable plastics. ● Hessian (bags made of this are frequently known as gunny bags). ● Aluminium foil, tinfoil and tinplate. Many of the vapour-proof packets are made from laminations of two or more materials, such as aluminium foil and polythene; aluminium foil, paper and polythene or laminations of paper and asphalt. Glass containers : laboratory reference collections or training purposes to demonstrate seed; they are not suitable for seed distribution or marketing.