3-5/8 x 6-1/2 (#6-3/4)  Standard Flap ×
3-5/8 x 6-1/2 (#6-3/4)  Standard Flap

3-5/8 x 6-1/2 (#6-3/4) Standard Flap

Link to template: https://cdn.shopify.com/s/files/1/0623/4773/9370/files/3.625x6.5_SS_out_3.pdf?v=1648847035