The BLUE ROSETTE rabies tag shape is recommended by NASPHV for 2021. The style of the year is the 147.
2021 rabies tags blue rosette

Paw Finders 2021 rabies tag style of the year

The RED HEART rabies tag shape is recommended by NASPHV for 2020. The style of the year is the 198.
2020 rabies tags red hearts

All tag shapes can be made in any material or color. Hole size and placement can also be changed.