Small commemorative coin display boxes or other purposes. Commonly used inner cushion style is used with 50 inner diameter round boxes. The opening diameter of sponge is 54 mm, so it just fits into the round boxes with an inner diameter of 50 mm and an outer diameter of 55 mm. The price does not include the round box. If you need to match 50 inner diameter round box, the extra price is 0.5 yuan. The inner pad is white EVA sponge and red flannelette. The style can be customized simply, and the price can be added for special requirements. Can also be used to install other small parts, specific can communicate with customer service, the minimum sales volume of the product 2000 pieces