Heapsgood Ecomailers Assorted pack of 15 Includes: - 6 mailers - Small (165 x 235 mm) - 5 mailers - Medium (255 x 355 mm) - 4 mailers - Large (395 x 455 mm) - Compostable shipping mailers designed for ecommerce - Certified home and commercially compostable - Fully biodegradable packaging - Breaks down without any harmful microplastics or residues - Blank front-side perfect for your branding - Plant-based, contains zero poly plastic - Matt-black finish - Tough and durable - Waterproof to protect shipments in the rain - 10 month shelf life when not composted I have other sizes and types of eco-mailers listed. Happy to do a bundle discount if you are interested in multiple sizes/types.