Size： 4cm Width * 400cm Length ( 1.57in Width x 13.12ft Length Block Harsh Glare: Enhance your enjoyment of your aquarium or glass container by effectively blocking harsh and blinding light. Cover Unsightly Water Stains: Keep your aquarium or glass container looking clean and pristine by effectively concealing unsightly water stains. Easy Installation, Easy Cleaning: Our tape is easy to apply and remove without leaving any residue behind. Waterproof and Non-Fading: The tape's surface is waterproof and resistant to color fading. Multi-purpose usability: this tape can also be used to enhance the aesthetic appeal of other items such as display cabinets, luggage, walls, and more.