Description (6) 26mm QUADRUM INTERCEPT Square Coin Capsule Holders for Mexico 1/4oz Silver Libertads Archival Quality!  Size: Holds 26mm diameter coins.  Outer dimensions are 50mm x 50mm x 6.25mm (2”x2″x1/4”) Quantity: 6 Quadrum Intercept square capsules Description: QUADRUM INTERCEPT : The Snaplocks with Active protection against contamination, dulling and tarnishing caused by: Airborne pollution Harmful gases Harmful chemicals Oxidizers Regular capsules or snaplocks limit a coin’s exposure to ambient air and moisture. However, the highly porous, copper-based INTERCEPT TECHNOLOGY material does even more: it neutralizes harmful atmospheric gases inside the capsule so that the coin is stored in a non-corrosive micro-climate. The INTERCEPT material protects coins from contaminates that cause pitting, dulling and tarnishing or your valuable coins. It is non-toxic and will not leave any oil build-up or residue on the coin. The capsules are made of durable, crystal-clear, scratch-resistant plastic and are securely locking, yet easy-to-open. Capsule size: 2”x2″x1/4” (50 x 50 mm x 6.5mm). Coins are NOT included Related Products: Other Quadrum Intercept capsules are available in here .