These Extra Strong Vinyl Record Mailers measure 320 x 320 x 60mm and offer exceptional wrap-around protection for up to 13 vinyls, ensuring that they arrive to their destination in pristine conditon. Safety flaps ensure that your products stay securely in place, while pre-creased grooves allow for height adjustments to achieve a snug fit. These book wraps feature two peel-and-seal adhesive strips for a secure closure without requiring packing tape. Additionally, they include an easy-ripper strip to ensure a hassle-free unboxing experience for your customers. Shipped flat-packed in bundles of 50 for easy storage, they are 100% plastic-free, fully recyclable, and biodegradable, making them a fantastic eco-friendly choice. These vinyl mailers are great for shipping multiple vinyls using just one book wrap with their adjustable depth of up to 60mm, an excellent option to save on your packaging and shipping costs.