3-1/2 x 6-1/4 (#6-1/2) Standard Flap ×
3-1/2 x 6-1/4 (#6-1/2) Standard Flap

3-1/2 x 6-1/4 (#6-1/2) Standard Flap

Link to template: https://cdn.shopify.com/s/files/1/0623/4773/9370/files/3.5x6.25_SS_out_1.pdf?v=1648227836