All unit prices in our store do not include tax. If you need an invoice, please consult customer service----------------------------------------------This product has a price control across all platforms: single unit: 19.9 yuan, two units: 36.8 yuan1 dozen, 24 pieces, 1 box, 720 pieces1 weight 27g, 1 specification 6.5 * 2.8 * 2.81 weight 701g, 1 sp..