{"product_id":"cardshell-mailers-rigid-paperboard-trading-card-envelopes-pack-of-50","title":"CardShell Mailers — Rigid Paperboard Trading Card Envelopes (Pack of 50)","description":"\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\u003ePack details:\u003cbr\u003e• Quantity: 50 envelopes\u003cbr\u003e• Envelope size: 7 x 4.35 in\u003cbr\u003e• Material: Lightweight rigid paperboard\u003cbr\u003e• Closure: Straight locking flap\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-50","provider":"Midvale Paper Box","version":"1.0","type":"link"}