Premium 4 Mil Outer Sleeves for Double & Gatefold Vinyl Records Protect your valuable vinyl collection with these high-quality 4 mil outer sleeves, designed specifically for double LPs and gatefold albums. Made from soft virgin polyethylene, these sleeves offer superior clarity and flexibility compared to standard polyethylene, ensuring a smoother, softer feel without excess clouding or stiffness. With an ultra-durable 4 mil thickness, these sleeves provide maximum protection against dust, scratches, and everyday wear while remaining flexible and easy to handle. The flush-cut opening with a slight lip makes inserting and removing records effortless, preventing unnecessary damage to album covers. Specially sized at 12-3/4" wide x 12-1/2" tall, these sleeves are perfectly designed for double albums and gatefold records, offering ample space for a secure yet hassle-free fit.