SARS-CoV-2 Antigen Detection Kit For Nasal Swab, home testing Colloidal Gold Method Package Available: 1 Test/box, 5 Tests/box, 10 Tests/box, 20 Tests/box Carton Size: 63 x 39 x39cm Price is different based on QTY from 10K to 500K or above Payment Term: T/T Delivery time: 3-5 days Price Valid: 30 days Quality Warranty: 2 years.