This seat cushion is used but in good usable condition. This would be a great purchase to upgrade your seating. Model number is 164CUSHMTLSF.
Some information from online:
This Lancaster Table & Seating 2 1/2" seafoam vinyl padded cushion for metal frame seating is a direct replacement for the seat on your existing Lancaster Table & Seating ladder back, cross back, Boomerang, or bistro chair or bar stool. It provides guests with a comfortable place to sit during their meals.
