Very lightweight and durable. The containers are EPA (Epoxy Phenolic*) coated with this special resin on the inside so the Aluminium will not come in direct contact with your product and therefore there is no chance of reaction or oxidisation with your product.Naturally thinking aluminium containers are totally reusable and recyclable and can be recycled with standard recycling facilities. The EP lined aluminium makes the aluminium jar suitable for most product types including water based, oil based and solvent based products. This Aluminium Jar is supplied complete with an aluminium lid, specifically made for this jar to ensure an airtight seal. Aluminium is fully recyclable with a low heat input. The low weight makes Aluminium ideal for transportation. Aluminium does not leach if placed in landfill.