Two Smoke Bar Stools - Counter Stools 30" Seat Height Made from Crystal Smoke transparent (stronger than acrylic) Some assembly required, Chair back screws to seat with 2 hex screws (included), UV Protected Ideal for Indoor or Outdoor, Home and Restaurant - Living Rooms, Dining Rooms, Bars, Kitchens, Parties, Banquets, Wedding Party, and much more! Due to the glossy finish the clear chair, you will notice some swirls. Single injection molding will have molding line and injection point at some spots. They are not defected. Also blue/purple hue appears on the chair but will fade out over time.