Packaging-You receive 6 sets of high-quality plastic coin holders, including 600 30mm coin capsules, 600 foam pads and 6 transparent coin storage boxes. The outer size of the five sizes of foam cushion-coin capsule is 33.5X5.5mm, and the internal size of the coin capsule is 30x3mm. Using the five -in -one foam cushion we provide for free, you can place coins with a diameter of 17/20/25/27/30mm. Note: It is not less than half a dollar. Good sealing -the outer edge of each 30mm coin capsule has a -shaped opening, which can save the strength of opening. The circular lid and the base are firmly stuck together to good sealing of dust and antioxidant. Excellent quality-These 30mm coin capsules are made of high-quality thick plastic materials and have high transparency, antioxidant and properties. The foam cushion is made of EVA and does not contain PVC. They all provide excellent protection for your coins. Quality Assurance-We are very confident in the 30mm coin capsule of all coins, but if you have any questions, please contact us at any time. Color: transparent material: plastic Package Contents: 600 x round boxes 600 x adjustment pads 6 x storage boxes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.