After experimenting with a plastic detergent bottle that proved incapable of withstanding the forces of pressurized liquids, he realized that a much stronger material would be required.

It's made up of chocolate-bar wrappers, bits of plastic-coated wire, nuclear waste, detergent bottles, margarine tubs and several billion bottles.

This included cosmetics, plastic carrier bags, household detergent bottles and car parts.

Objects that can constitute marine debris include used automobile tires, detergent bottles, medical wastes, discarded fishing line and nets, soda cans, and bilge waste solids.