Is a strong plastic liners mostly used for lining inside cartons and often for use in the food industry. If you are wanting your products to arrive clean, fresh and safe, check out our range of carton liners. We also manufacture to order. Carton liners can be made from LDPE or HDPE and are sized accordingly so they can fit into cartons. They can be made in clear or coloured and can be vented or non-vented.