Card Protectors Trading Cards Shipping Supplies, 510-Pack 4'' x 6'' Graded Card Sleeves for Mailing Inserts, Plastic Semi Rigid Card Holder Better Than Corrugated Cardboard Sheets


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Designed for Shipping Graded Card Sleeves & Submission Sized Semi-Rigid Card Holders: 4'' x 6'' size these trading card shipping flats are the perfect grading kit accessory Efficient & Professional: Precut Supply Sleeves...

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  • Designed for Shipping Graded Card Sleeves & Submission Sized Semi-Rigid Card Holders: 4'' x 6'' size these trading card shipping flats are the perfect grading kit accessory
  • Efficient & Professional: Precut Supply Sleeves for Collectible Sports MTG Cards allow you to stay efficient with your business while maintaining a professional appearance to your customers
  • Innovative Material: Ding Defend's innovative plastic materials are superior to cardboard mailers or thin cardboard sheets. Ours are stronger, more protective, water resistant and professional
  • Reusable: Storage Standard's Ding Defend protective sheets for mailers are designed to provide armor to all your hobby and collectible cards & psa slab sleeves. Value pack size
  • Compatible With Standard Size Graded Cases: PSA, BGS, SGC, HGA, CGC, CSG, DSG and other similar standard-sized cases. (For use with Toploader, raw and penny sleeves see our smaller size product.)


Ding Defend's trading card shipping protectors are designed to perfectly protect a slab case for graded cards in the mail. Simply place to plastic card shipping protectors around the case and tape to ensure a damage-free shipping experience. A must-have for any card breaker, card seller or card grading service.



A must-have for breakers or anyone who is sending or shipping cards. Stop wasting your precious time searching for cardboard and cutting pieces and start selling/shipping more cards. 

If you break or ship any hobby cards such as Pokemon, Magic the Gathering, yugioh, marvel, manga, baseball, football, basketball, hockey and sport, Ding Defense sleeves are a necessity.

Strong thin blanks but padded plastic material is much stronger than cardboard chipboard. Slim enough to easily fit into a standard envelope. Thick enough to protect from dings.

The hard surface is designed for use with toploaders and thin holders.

Ding Defend innovative padded plastic material is stronger, thinner and more effective than paper cardboard.

Directions for use:

  1. Place card(s) centered in two protective sheets
  2. Seal edges with painters tape or similar
  3. Ship with 100% confidence. Ship with 100% professionalism


Please allow 1-2 business days for your order to be processed for shipping. (Usually much faster.) We make every effort to fulfill orders as quickly as possible.


We ship Storage Standard both domestically and to a select number of international locations. Shipping times depend on your location. We typically ship from our primary warehouse based in California. The USPS site quotes, but does not guarantee, 2-8 business days for domestic delivery. We often ship with other carriers as well to give you the best transit times possible. International shipping is longer.

Timeline: You have 30 calendar days to return an item from the date you received it. To be eligible for a return, your item must be unused and in the same condition that you received it. Your item must be in its original packaging. Your item needs to have the receipt or proof of purchase

Refunds: Once we receive your item, we will inspect it and notify you that we have received your returned item. We will immediately notify you of the status of your refund after inspecting the item. If your return is approved, we will initiate a refund to your credit card (or original method of payment). You will receive the credit within a certain amount of days, depending on your card issuer's policies.

Shipping: You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable.

If you have any questions on how to return your item to us, contact us.

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