Refill Tuffet in a Day Fusible Interfacing No instructions

Fusible Foundation Refill for our Pieced 18" Tuffet (PPFP100) and our 18" Tuffet in a Day (TDFUS1). There are no instructions included with the individual foundation refill. There are 2 PANELS in every PFI100 envelope; 2 panels are required to make 1 tuffet.