This is a price for one? They are $1.98 at Home Depot.
https://www.homedepot.com/p/Simpson-Strong-Tie-MTS-12-in-16-Gauge-ZMAX-Galvanized-Medium-Twist-Strap-MTS12Z/100375104
Amazon ASIN links to 1, though there is another ASIN for a 100 pack on the same listing. 2 of the 1-star reviews complain of paying for a 100 pack, but only receiving 1.