Final size of the block using heavy worsted weight yarn and a 5.5 mm (I/9) hook is 13″ (33 cm) x 16″ (40 cm) . You can use any yarn and hook you like, but it will affect the final size of your square/blanket.

Yarn Amounts
-Background color - 60 g (2.1 oz)
-Heart color - 50 g (1.8 oz)

Gauge
5 squares = 4” / 10 cm