The Chilipepper has been around for over 10 years and is the kiln of choice for many lampworkers. Interior Dimension: 16" length x 6.5" width x 4" height. It has 2" of Healthly blanket for insulation and an industrial tubular coil to provide years of annealing glass. Great for Teacher who travels. Large Handle for carrying; light weight Small kiln with Big kiln features kiln only weighs 19 pounds.