The product is a Heat Shrink Underground Wire Splice Kit designed for use with 14/2 AWG to 8/3 AWG wires. It features a Flame Retardant design and is made of Polyolefin and Ethylene Vinyl Acetate Adhesive Extrusion with ABS/PC materials. The Heat Shrink Tubing has an Operating Temperature range of -67 to 230 degrees Fahrenheit and a Shrink Temperature of 248 degrees Fahrenheit, making it suitable for a variety of electrical applications requiring secure and insulated wire splicing.