Natural (Off-White) Sew In Curtain Tabs. Plastic. Sewn directly onto curtains through the tab, with head inserted into the curtain track. 14/bag. Compatible with RECMAR 3108, 3110, 3290, 3292, 3294, and 3296 curtain tracks. Also fits many boat curtain tracks and RV curtain tracks. These style curtain tabs were commonly used in the 60's by RV, Trailer, and Camper manufacturers and are great for those restoring vintage trailers and RVs. Dimensions: 7/8 in wide x 3/4 in tall. The diameter of the round head of the tab this slips into the curtain track is 3/16 in.