NO PLASTIC, NO RUBBISH, NO WORRIES Our eco-friendly, compostable mailers are home and commercially certified. They are carbon negative, biodegradable, waterproof and reusable. They are made to decompose under favourable composting conditions. Put it with your kitchen scraps and garden waste in the home compost bin and it will disappear in weeks! Our biodegradable and compostable packaging mailers are suitable for posting items under 5kg. With items that have sharp edges, please handle with care - test them out before you send them out. The Mailers can also be customised to two adhesive strips for return purposes, we highly recommend reusing them before putting them into a compost bin.