SFB Plastics, Inc. is a packaging manufacturing company based in Wichita, Kansas. Founded in 1970 as the patented supplier of thermoformed Plastic Spacers (Freezer Spacers) used to freeze or temper fruit, vegetables, white meat, red meat, butter, ice cream, etc. Specializing in HDPE blow molding of industrial containers for more than 40 years. Your product can greatly reduce energy costs and improve thermal structure.