Ideal for keeping your important documents, papers and other thin goods safe during transit, our 202mm x 202mm brown all board envelopes are an excellent protective packaging solution and are perfectly sized for sending 7\" records. Made from 400gsm high strength, brown solidboard, these mailers are lightweight enough to keep postal costs low, whilst also being rigid enough to offer a high level of protection. Boasting a whole host of eco-credentials, our cardboard mailers are recyclable, plastic-free, biodegradable and made from recycled, sustainably sourced materials, making them the perfect presentable packaging solution with a rustic finish. The peel and seal adhesive strip offers a secure and tamper-evident closure that eliminates the need for packing tape and saves you valuable time during the packing process.