{"product_id":"cardshell-mailers-rigid-paperboard-trading-card-envelopes-pack-of-55","title":"CardShell Mailers — Rigid Paperboard Trading Card Envelopes (Pack of 55)","description":"\u003cp\u003e\u003cstrong\u003e32.7¢ per mailer — 55 mailers for $17.99.\u003c\/strong\u003e Unit price rounded; shipping and tax extra.\u003c\/p\u003e\u003cdiv class=\"cardshell-media\"\u003e\n\u003ch2\u003eWatch CardShell\u003c\/h2\u003e\n\u003cvideo controls playsinline preload=\"none\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0554\/6052\/8198\/files\/cardboardmailer_ce578adf-8d2a-459e-b619-cb070f7bd658.png?v=1783721226\" style=\"display:block;width:100%;max-width:360px;height:auto;margin:0 auto;\" aria-label=\"CardShell mailer product video\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/9be18a54511f4c9fb56efcaf1334128c\/9be18a54511f4c9fb56efcaf1334128c.HD-720p-1.6Mbps-99131030.mp4\" type=\"video\/mp4\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/9be18a54511f4c9fb56efcaf1334128c\/9be18a54511f4c9fb56efcaf1334128c.HD-720p-1.6Mbps-99131030.mp4\"\u003eWatch the CardShell video\u003c\/a\u003e\u003c\/video\u003e\u003ch2\u003eHow to use CardShell\u003c\/h2\u003e\n\u003cp\u003eInsert your protected trading card long edge first, seal the mailer, turn it over, then apply your mailing label to the smooth front.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0554\/6052\/8198\/files\/cardshell-application-front-label.png?v=1793154820\" alt=\"CardShell application: insert a protected trading card long edge first, seal the flap, turn the mailer over and apply the mailing label to its smooth front.\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eAI-illustrated application concept.\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003eCardShell Mailers are rigid paperboard trading card envelopes designed as a structured, presentation-ready format for packing and shipping trading cards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMade by Midvale Paper Box in our own manufacturing facility.\u003c\/strong\u003e Midvale is the actual manufacturer of CardShell Mailers, giving customers direct-from-the-manufacturer quality, consistency, and product knowledge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBuilt for efficient trading-card shipping:\u003c\/strong\u003e\u003cbr\u003e• 0.04 in paperboard thickness\u003cbr\u003e• Approx. 0.04 oz shipping weight per mailer\u003cbr\u003e• Flat-glued sides for a clean, consistent profile\u003cbr\u003e• Compatible with USPS Standard Envelope shipping requirements\u003c\/p\u003e\u003cp\u003ePack details:\u003cbr\u003e• Quantity: 55 envelopes\u003cbr\u003e• Envelope size: 7 x 4.35 in\u003cbr\u003e• Material: Lightweight rigid paperboard\u003cbr\u003e• Brand: CardShell Mailers by Midvale Paper Box\u003c\/p\u003e\u003cp\u003eDesigned for trading card sellers, collectors, and fulfillment teams that need a consistent paperboard mailer format.\u003c\/p\u003e","brand":"Midvale Paper Box","offers":[{"title":"Default Title","offer_id":45310273421382,"sku":null,"price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0554\/6052\/8198\/files\/cardboardmailer_ce578adf-8d2a-459e-b619-cb070f7bd658.png?v=1783721226","url":"https:\/\/midvalebox.com\/products\/cardshell-mailers-rigid-paperboard-trading-card-envelopes-pack-of-55","provider":"Midvale Paper Box","version":"1.0","type":"link"}