Oppo Silicone Heal Cushion (N3) 5454 Oppo 5454 Silicone Heel Cushions Has Silicone Deep Heel Cup That Helps Correct Alignment And Provides Heel Stability. A Softer Cushion, Anatomically Positioned At The Heel, Provides Additional Relief And Redirects Pressure Away From Painful Areas. Direction Of Use: Place Heel Cushions Under The Rear Of Foot. Application: Heel Pain