Each of these toe topping cuties have a heavy sew-in interfacing between the outer and inner fabric layers. We used Soft and Stable^TM which is a foam type interfacing, but other heavy sew-in interfacings will work. You just want to look for something that adds soft body to the shoe. Peep Toe: Peep toes have an open toe, ankle strap with button, snap, or, hook & loop closure, and decorative fabric layered flower with button or bead in the center. Outside peep toe is made from one fabric and inside from another. Strappy: Strappy has in-seam rick rack or trim at opening and wrap around ankle strap that closes in front with button, snap, or hook & loop closure. Outside is made from one fabric and inside from another. Boots: Boots have an inset above the sole, tabs at top edge and decorative quilting detail. The outside sole, inset, and top are lined with a second fabric, and the upper portion of the boot is lined with a third fabric. Flat: Upper flats have pleats and a strap with button, snap, or hook & loop closure. Outside flats are made from onefabric and inside flats are from another. These cuties are designed for lightweight woven fabrics such as cotton, cotton types, denim, satin. Pattern includes ¹⁄₄″ (6 mm) seam allowances.