Tenmat Draft Stop Covers for Recessed Lighting: Eliptical Shape FF130-E (Case of 10) Fire tested in accordance with IEC 60598-1. Thermally tested according to UL 1598 for usage with IC and Non-IC rated lights. Reduces heat loss through the light fixture. Flexible and lightweight (approx. 2 lbs.) Easy to fit - can be fitted in seconds - No assembly required.