Slab insert for ETB Box

Turn your Elite Trainer Box into a premium slab vault.

This 3D printed insert is designed to perfectly drop into a standard ETB box, transforming it into a clean, organized storage solution for your graded card collection. Whether you’re storing display pieces or protecting long-term investments, this insert keeps your slabs upright, secure, and easy to browse.

Key Features:

• Multi-slab compatibility: Fits CGC, TAG, AGS, PSA, and similar slab sizes
• Snug, upright storage: Prevents shifting and reduces edge contact between slabs
• Optimized layout: Maximizes ETB space while keeping cards accessible
• Clean aesthetic: Gives your ETB a structured, premium look

Capacity:

• Holds multiple slabs depending on sleeve thickness and brand tolerances (see notes below)

Recommended Setup:
For best fit and smooth insertion/removal, use slim-fit sleeves. Standard or thick sleeves may reduce capacity and create a tighter fit.

Why you’ll want this:

• Repurpose your ETBs instead of letting them sit empty
• Keep slabs protected without bulky cases
• Perfect for collectors who want a compact, stackable storage solution

Simple, functional, and collector-focused—this insert is the easiest way to level up your slab storage using gear you already have.