Langer’s Self Adhesive PPT Components allow for quick and easy application. For use with PPT molded insoles, PPT flat insoles or other orthotic devices. Provides longitudinal arch support. Recommended for flat insoles with flange. Feature: Packaging: Pair of 6 Feature: Size: Large Feature: Manufacturer: Langer Biomechanics. Model #: 22420 Feature: Categorization: Orthopaedics > Orthotics – Shoe Inserts > Specialty Inserts Feature 5 This is for “Large” only. It may differ from the image in size, color, features, etc.