Bottle & Container Caps

Bottle & container caps come in various sizes and colors. Caps and closures for beverage bottles are usually made of polypropylene (PP) and high density polyethylene (HDPE) with other container lids being made of low density polyethylene (LDPE) or linear LDPE (LLDPE).

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Plastic bottle cap found on the beach at Dakavak Bay, AK.
Plastic bottle cap found on the beach at Dakavak Bay, AK. (Photo Credit: Katmai National Park)
Plastic bottle cap found on the coastline of the Great Lakes.
Plastic bottle cap found on the coastline of the Great Lakes. (Photo Credit: NOAA)
Plastic bottle cap found along East-West Highway, Silver Spring, MD.
Plastic bottle cap found along East-West Highway, Silver Spring, MD. (Photo Credit: NOAA)
Plastic bottle caps found on the beach at Sandy Point State Park, MD.
Plastic bottle caps found on the beach at Sandy Point State Park, MD. (Photo Credit: NOAA)
Plastic spray nozzle from a squirt bottle found on the beach of Katmai Bay, AK.
Plastic spray nozzle from a squirt bottle found on the beach of Katmai Bay, AK. (Photo Credit: Katmai National Park)

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