The Bunker
What Size Toploader Do I Need for My Cards?
JUN 01, 2025Quick guide to toploader sizing terminology and what size toploaders are needed for most trading cards.
The Complete Guide to Protecting Your Trading Cards
FEB 22, 2026Everything you need to know about penny sleeves, toploaders, magnetic holders, binders, and storage — from casual collecting to PSA grading submissions.
How to ship cards on eBay
MAY 30, 2025Whether you're a seasoned seller or just starting out, understanding how to ship cards efficiently and cost-effectively is essential. Fortunately, eBay's Standard Envelope Service provides a convenient option for shipping trading cards while keeping costs...
What is a toploader PT and how is it measured.
MAR 06, 2025Learn what PT means in trading card toploaders, how to measure your cards, and which size fits best. From 35pt base cards to 130pt relics, we break down everything you need to know.
Top 5 Reasons to Use Easy Glide Soft Sleeves
SEP 18, 2024Not all penny sleeves are created equal, and for serious collectors, quality can make all the difference. That’s why at Shellz, we designed the Easy Glide Soft Sleeve, the perfect penny sleeve for collectors who want...
Penny Sleeves vs Soft Sleeves: What's the Difference?
MAR 19, 2026Search for "penny sleeves" and "soft sleeves" and you'll find both terms used interchangeably across the hobby. Here's the reality: they're essentially the same product. But not all penny sleeves are created equal, and understanding...
Best Toploaders for PSA Submissions in 2026
MAR 19, 2026If you're submitting cards to PSA for grading in 2026, you need to understand something upfront: PSA doesn't accept cards in toploaders. They require semi-rigid holders (card savers) for submissions. But toploaders play a critical...
How to Ship Trading Cards on eBay Without Damage
MAR 19, 2026Shipping trading cards on eBay shouldn't be complicated, but look at any collector forum and you'll find horror stories: bent corners, water damage, cards rattling loose inside oversized envelopes. Most of these problems come down...
Penny Sleeves vs Toploaders: Which Do You Need?
FEB 28, 2026A step-by-step shipping guide covering materials, packaging methods for single and bulk cards, carrier options, and the most common mistakes that destroy cards in transit.
Trading Card Sleeve Size Guide: Every Card Game
FEB 28, 2026The definitive reference for trading card sleeve sizes — covering Pokemon, Magic: The Gathering, Yu-Gi-Oh!, sports cards, One Piece, and every other major TCG. Find the exact sleeve dimensions for your cards
Trading Card Grading Supplies: PSA & BGS Prep Guide
FEB 28, 2026The definitive reference for trading card sleeve sizes — covering Pokemon, Magic: The Gathering, Yu-Gi-Oh!, sports cards, One Piece, and every other major TCG. Find the exact sleeve dimensions for your cards
UV Protection for Trading Cards: Why It Matters
FEB 28, 2026The definitive reference for trading card sleeve sizes — covering Pokemon, Magic: The Gathering, Yu-Gi-Oh!, sports cards, One Piece, and every other major TCG. Find the exact sleeve dimensions for your cards
How to Store Your Trading Card Collection
FEB 28, 2026The definitive reference for trading card sleeve sizes — covering Pokemon, Magic: The Gathering, Yu-Gi-Oh!, sports cards, One Piece, and every other major TCG. Find the exact sleeve dimensions for your cards
Best Pokemon Card Sleeves: Collecting & Gameplay
FEB 28, 2026The complete guide to Pokemon card sleeves — covering penny sleeves for collection storage, deck sleeves for tournament play, double sleeving techniques, and the full protection stack every collector needs to know.