Efficient Cleaning - The surface cleaner works for TV screens, metals, glass, cellphones, ceramic, etc Biodegradable Formula (Made in USA) - Our cleaner is an "Earth Friendly" biodegradable formula A little bit goes a LONG way Great Value for Money. Use a tiny amount for amazing cleaning power Made with 100% food grade d-Limonene for safe and effective use. Green Piece Pipe Cleaner The Green Piece Pipe Cleaner is made up of an incredible Earth friendly biodegradable formula. It contains 3 bottles of 4 oz that will effectively clean your piece in seconds. Just add it to your piece, shake it, and watch the sight of tar and resin melting. This piece cleaner will help you efficiently clean a variety of surfaces such as cell phones, TV screens, metal, glass, ceramic, etc.