This is a beautiful crystal clear acrylic case that will hold 2 PFS Element Discs or 2 US Quarter coins. Items can be seen from top and bottom clearly. Each hole is 25mm x 1.75mm in diameter. Any coin or disk that is equal or less than 25mm x 1.75mm in diameter will fit. The clear lid is held by powerful magnets and is completely removable. Coins and PFS Discs sold separately.