NEPA Market Card Collector Supply Bundle. Great bundle for any card collector! BX-400 Count Card Box. Holds about 350 standard 20pt trading cards. Holds about 560 collectible gaming cards. Exterior Dimensions (WxHxD): 7 7/8 x 3 x 4 1/8. Interior Dimensions (WxHxD): 7 x 2 3/4 x 3 3/4. Ultra Pro Soft Sleeves - Designed to hold 2-1/2" x 3-1/2" (63.5mm x 88.9mm) standard size cards up to 35 points in thickness. Ultra Pro Regular Toploaders - With outer dimensions of 3" x 4", these toploaders are designed to safely store standard size cards (2-1/2" x 3-1/2") up to 35 points in thickness. Ultra Pro Mini Snaps - Can be stacked for easy storage and transport. Holds 2-1/2" x 3-1/2" (63. 5 mm x 88. 9 mm) standard cards