5, 10. 20 Biodegradable Compostable Black Poly Mailers Envelopes 13″ X 9.5″
Just take the extra bits off and they will decay away, nourishing future generations of flora. From there, it will start breaking down. Specifically, they are made from corn starch, PLA (made from corn) and PBAT (Polybutyrate Adipate Terephthalate).
Professional Winco ALXP1013 1/4 Sheet 20 Gauge Aluminum Sheet Pan Baking Tray
3003 aluminum construction. 13 in (L) x 9 3/5 in (W) x 1 1/9 in (H).