Food Waste & Compostables Signs are important to overall recycling protocol. Our signs ensure that you have the appropriate control measures in place to inform and ensure that correct recycling processes are adhered to. Signs are available in a wide range of sizes and materials and are suitable for long term outdoor use. Most popular sizes are 16″ x 12″, 24″ x 16″ and 32″ x 24″. Don’t see the sign or size you are looking for? You can call us on 025-31212 or email firstname.lastname@example.org to discuss your requirements. Discounts Available on Bulk Orders.