30" Seat Height Black Polycarbonate Designer Bar Stool. Modern Bar Stools With Backs & Footrest Design Polycarbonate material (Stronger than acrylic). Single Mold Injection for Sturdiness and Durability. With an oval back, and lightweight design. UV Protected materials, ideal for indoor or outdoor. Constructed from polycarbonate. This is stronger than acrylic. Single Mold Injection for sturdiness and durability. UV-protected material to last years to come in any environment. Like new used twice. Paid $140 will sell for $70 or best offer.