Shell Mailer by Hobby Armor, the lightweight perfect-fit card mailers for trading cards. Each thin cardboard mailer is 7" x 4.35" and is only 0.04" thick. The best part is, they weigh less than 0.4 ounces! Super lightweight Trading Card Mailer. Designed to ship both cards in semi-rigid sleeves and cards in toploaders. The baseball card mailers are within the guidelines of the Standard Envelope shipping program as well. Upgrade your card shipments! Premium trading card shipping envelopes. Our trading card mailing envelopes are made of premium thin white cardboard and feature vibrant multi-color print, sure to impress your buyers! The Shell Mailer not only offers a professional look, but also streamlines your trading card business. Hobby Armor offers trading card shipping supplies that you can trust! The Shell Mailer is similar to our trading card shipping protector, but with a different concept to shield cards from dings during shipment. The ultimate defense to protect cards! All Hobby Armor products are designed by card collectors, for card collectors. We are collectors in the hobby, just like you! Our goal is to bring efficiency and innovation to the trading card world. Thank you for your trust, business and support! Hobby Armor Shell Mailer, the lightweight and perfectly sized shipping envelope designed specifically for trading card enthusiasts. Measuring 7" x 4.35" and only 0.04" thick, these innovative mailers weigh less than 0.4 ounces, making them an ideal choice for efficient. Whether you’re a seasoned collector or a casual seller, the Shell Mailer is your go-to solution for sending cards securely and professionally. The Hobby Armor Shell Mailer is meticulously crafted to accommodate both cards in semi-rigid sleeves and those housed in toploaders. This versatility ensures that your valuable trading cards are protected during transit, minimizing the risk of dings or damage. Our mailers comply with the guidelines of the Standard Envelope shipping program, allowing you to upgrade your card shipments without worrying about complications. Constructed from high-quality thin white cardboard, our trading card mailing envelopes feature vibrant multi-color prints that are sure to impress your buyers. The professional appearance of the Shell Mailer not only enhances your brand image but also streamlines your trading card business operations. The Shell Mailer serves as an essential component of your trading card shipping supplies, providing an innovative solution to protect your cards during shipment. Each mailer is designed to minimize weight while maximizing protection, helping you ship cards efficiently. Perfectly sized for both semi-rigid sleeves and toploaders, accommodating a wide range of trading cards. The vibrant design not only protects but also enhances your brand’s image when sending out orders. Developed by fellow collectors who understand the importance of protecting valuable cards during transit. Available in a convenient 100-pack, our Shell Mailers ensure that you have an ample supply on hand for all your trading card shipping needs. Premium trading card shipping protectors and card shipping supplies!