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Source: Marvin Samuel Tolentino Pineda / iStock via Getty Images
Sanitary pads
> How long they take to decompose: More than 25 years
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Source: bravo1954 / E+ via Getty Images
Shoes
> How long they take to decompose: 25 to 40 years
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Source: Nadya So / Getty Images
Six-pack holders
> How long they take to decompose: 450 years
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Source: wragg / E+ via Getty Images
Steel cans
> How long they take to decompose: 50 years
Straws
> How long they take to decompose: 200 years