How can it be 100% biodegradable if there is a metal staple?

I appreciate you taken the care and time to think about it and ask. It would seem that the tiny staple is fairly innocuous. Somewhat like tea bags that have a staple. From what others have said "I wouldn't worry too much about a few steel staples in my compost; I'm confident they will readily corrode and won't make any significant difference to the chemical composition of my garden, or my health (after eating the harvest). Iron oxides are already generally abundant in soil. Also another happy Gaia Guy user did some research and said, " looked into the possible negative impacts rusting metal could have on soil, and it's minimal to zero. It would have to be a lot to make any serious negative impact. And the amount is these toothbrushes (or almost any toothbrush) appears to be ok from what I've read...to toss in your composter. From what I gather, you'd have to throw a ton of them to make even a dent." I hope that helps a bit and thank you for your support.

Gaia Guy Natural Bristle Bamboo Toothbrush (NO Nylon - Boar Hair ONLY) - Totally Compostable & Biodegradable Boar Bristle and Bamboo Toothbrushes - Zero Waste - 6-Pack

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