Gamegenic Side Holder 100+ XL Yellow Deck Box – Double-Sleeve Storage with Cobra Neck Closure
Gamegenic Side Holder 100+ XL Yellow Deck Box – Double-Sleeve Storage with Cobra Neck Closure
The Gamegenic Side Holder 100+ XL Casual Deck Box holds up to 100 double-sleeved cards, with a self-locking flap that opens 180° using Cobra Neck technology, and includes a Flex Card Divider and write-on strip for labeling. Designed for casual play and storage, this yellow polypropylene box is acid-free and PVC-free, making it a durable choice for organizing Commander decks or extra tokens.
How many cards fit in this deck box?
This extra-large version of the Sideholder 80+ accommodates 100 double-sleeved cards, even in thicker inner sleeves. There is also extra room for tokens or a full Commander deck in thicker inner sleeves. The box is optimised for Gamegenic sleeves; sleeves from other brands may affect capacity.
What makes the Cobra Neck closure different?
The self-locking flap uses Cobra Neck technology on the back, allowing it to open up to 180°. This gives you easy access to your deck without removing the box from your bag or hand. The flap locks securely when closed.
| Brand | Gamegenic |
| Color | Yellow |
| Material | Polypropylene |
| Special Feature | Portable |
| Style | Modern |
| Capacity | 100 double-sleeved cards |
| Closure | Self-locking flap with Cobra Neck (180° opening) |
| Included accessories | Flex Card Divider |
| Additional features | Write-on strip for labeling |
Organising your deck with the included divider
A Flex Card Divider is included to separate your decks or keep tokens organised. The handy write-on strip lets you label the box with a marker, so you can quickly identify which deck is inside. The box is designed for casual use, offering a smart and fast storage solution.
Materials and build quality
The Side Holder 100+ XL is made from polypropylene, a durable plastic that is acid-free and contains no PVC. Strong welding points reinforce the corners and seams. The modern yellow finish is lightweight and portable, making it easy to carry to game nights.
Compatibility with card sleeves
This deck box is optimised for use with Gamegenic brand sleeves. If you use sleeves from other manufacturers, the fit and capacity may vary. The box is designed specifically for double-sleeved cards, so single-sleeved decks will also fit with extra space.
Frequently asked questions
Does the box fit a Commander deck?
Yes, it fits a standard Commander deck in thicker inner sleeves, with room for tokens.
Is the box lockable?
The flap is self-locking but does not include a key or padlock. It stays closed during transport.
Can I use it for single-sleeved cards?
Yes, single-sleeved cards will fit easily, and there will be extra space for tokens or a sideboard.