Ding Defend protectors are how we ship our under-$20 cards safely in a plain envelope. Use code ChasingGreats2026 (orders $40+) — every link on this page applies it for you automatically.
All 21 Ding Defend products, sorted by what they do. Tap any one to shop it — the 10% code is applied for you.

The Ding Defender is what keeps our under-$20 cards safe in a plain envelope. It's a rigid card protector that lets you ship through eBay Standard Envelope without dinged corners, for a lot less than a bubble mailer.
10% off with code ChasingGreats2026 (orders $40+, one per customer). Our link applies the code automatically.
Tap any product to shop it on dingdefend.com (code applied automatically) ›
Semi-rigid Holders and Penny SleevesShop Ding Defend ›
3" x 4" Team Bag Shipping Protectors — Classic WhiteShop Ding Defend ›
4" x 6" Card Shipping Protectors — Classic BlackShop Ding Defend ›
3.5" x 4.5" Card Shipping Protectors — Classic BlackShop Ding Defend ›
3.5" x 4.5" Card Shipping Protectors — Tiger DesignShop Ding Defend ›
3.5" x 4.5" Card Shipping ProtectorsShop Ding Defend ›
4" x 6" Card Shipping Protectors — Classic WhiteShop Ding Defend ›
3.5" x 4.5" Card Shipping Protectors — Classic WhiteShop Ding Defend ›
4" x 6" Card Shipping Complete Kits — BlackShop Ding Defend ›
3.5" x 4.5" Card Shipping Complete Kits — BlackShop Ding Defend ›
4" x 6" Card Shipping Complete Kits — WhiteShop Ding Defend ›
3.5" x 4.5" Card Shipping Complete Kits — WhiteShop Ding Defend ›
Trading Card Shipping Envelopes Kit 330 CountShop Ding Defend ›
7" x 4.35" Machinable Card Shipping Envelopes — GoldShop Ding Defend ›
7" x 4.35" Machinable Card Shipping Envelopes — KraftShop Ding Defend ›
6" x 10" Bubble Mailers — BlackShop Ding Defend ›
4" x 8" Bubble Mailers — BlackShop Ding Defend ›
7" x 4.35" Machinable Card Shipping Envelopes — BlackShop Ding Defend ›
7" x 4.35" Machinable Card Shipping Envelopes — WhiteShop Ding Defend ›Affiliate disclosure: some links on this page are affiliate links. If you buy through them, Chasing Greats may earn a small commission at no extra cost to you. We only list gear we use ourselves. As an Amazon Associate, Chasing Greats earns from qualifying purchases.
See exactly how we package every order by value, from penny sleeves to Ding Defend and bubble mailers.
Questions about a card, an order or your collection? We reply within a day.