75 Pack Corrugated Cardboard Sleeves for Sports Cards, Trading Card Shipping Supplies, Flat Vending 3 x 4.5

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Stockroom Plus : School & Office Supplies Deals : Target

★RIGID & LIGHTWEIGHT★ These cardboard sheets are actually stiff and rigid, adding a good support for delivering for shipping Trading Cards, Sports

200 Packs Cardboard Sleeves for Sports Card Protectors, 3 x 4.5 Corrugated Cardboard Sheets for Trading Card Folders Mail Shipping Stiffeners

1200 Counts Card Sleeves Toploaders for Trading Card, Soft Clear Card Protective Sleeves Deck Card Protectors Fit for Baseball Cards, Sports Cards, MTG, Yugioh Card Game Card Standard Cards

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100x Pockets Double-Sided Trading Card Pages Sleeves 9-Pocket Clear Plastic Game Card Protectors for Fit 3, Size: 91

3000 3X4. CARDBOARD Shipping protectors for Trading Cards MADE USA $275.80 - PicClick AU

C & S 700 Cardboard Sleeves Folded Flat Vending 3 x 4.5 Sports Card Folders Mail Shipping Stiffeners Insert

Much lighter than plastic! Hobby Armor trading card envelopes are made from strong thin corrugated cardboard, with an extra glossy layer for strength

Hobby Armor Trading Card Protectors for Shipping 3.5x4.5 - Trading Card Shipping Supplies - Cardboard Card Protector - Cardboard Inserts for Mailers