The true benefits of double sleeves: How to protect your cards and make them more comfortable to use
Proper protection is essential to maintaining the value and condition of cards. Double sleeving is a method of wrapping cards in two layers of protection. This article provides an easy-to-understand explanation from the manufacturer's perspective, including the reasons for the protective properties, the correct method, and points to note.
The need for double sleeves
Because cards are made of paper, they are exposed to many damaging factors, including moisture, friction, dust, and liquids. Layering an inner sleeve with an outer sleeve reduces physical wear and prevents the intrusion of foreign objects and water droplets. For high-value cards and commemorative cards in particular, a single sleeve may not be sufficient, so double protection ensures safe long-term storage.
Recommended double sleeve method
- Inner sleeve + plain sleeve
- Character sleeve + outer sleeve
For the inner sleeve, use a "perfect size" that fits the card perfectly. For the outer sleeve, choose a character sleeve with a design or a simple plain sleeve.
- Insert the card into the inner sleeve
- Lightly remove air and flatten
- Attach the outer sleeve in the opposite direction (so that the openings do not overlap)
- Flatten it again and adhere it
This step will help prevent gaps and reduce friction and water ingress.
Actual Effects
Double sleeves reduce wear on the card surface and corners, and maintain the gloss and color of the printed surface. They also reduce the impact of humidity and dust, reducing the risk of discoloration and warping during long-term storage. There are many cases where the cards inside the sleeves remain in almost new condition even after long-term use, making them particularly effective for collectors.
Disadvantages and countermeasures
The downside is that the cards are thicker, making them a little more difficult to carry and shuffle if you have a large deck. This can be overcome by choosing a more flexible material, or by using a side-loading binder or gusseted case.
summary
Double-sleeving is an effective way to protect your cards and preserve their value over time. It's also suitable for everyday playing decks, and you can choose the look and feel you prefer. Protecting the value of your cards is an important investment for any enthusiast.
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