100% Compostable Eco Shipping Mailing Bags No more plastic packaging! This is an excellent alternative to plastic poly-mailer shipping bags, and is completely biodegradable. Our 100% Compostable Mailer is a great eco swap for your home office and can be composted at home or commercially. Colour: BlackQuantity: 50pcDelivery: Usually between 7 and 10 days, but could be up to 28 days