LUX Self Seal #5 1/2 Coin Envelopes, 3 1/8" x 5 1/2", White, 50/Pack (512CO-28W-50)
LUX #5 1/2 Coin Envelopes (3 1/8 x 5 1/2) are great for storing small parts, such like: coins, jewelry, stamps, seeds, SD memory cards, resistors capacitors and all other kind of small electronic parts. Please note this envelope size is not mailable via USPS.