4-POCKET
The Collector's Secret Laboratory
Custom laser-engraved binders for serious collectors
Premium PU leather binders, engraved cover to cover with your artwork. Three sizes, seven colors, made to order.
- MATERIAL Premium PU leather
- PROCESS Full-cover laser engraving
- BUILD Zippered · side-loading






UNIT // Design 1
// THE LINEUP
Three sizes. One obsession.
4-POCKET
9-POCKET
Standard Collector Binder — 9-Pocket
Choose your color →
12-POCKET
XL Master Binder — 12-Pocket
Choose your color →// FINISHES
Seven leather colors
Pick your base, then engrave it however you like.
Yellow
Red
Purple
Green
Pink
White
Teal
// PICK YOUR SPECIMEN
Choose a design
Every design is laser-engraved to order on the binder color of your choice.
Tap image to zoom in
Choose a size to continue
// BRING YOUR OWN ART
Your art, engraved cover to cover
Send us your design or ask for one of ours. Every binder is made to order in the lab.