How to customize: You can create your own custom photo. Please click the "Customize now" button first, then click the "Browse" button to upload the picture. You can also type your text, choose fonts and text colors, and resize your images and text. Material: Polyester material is used for custom aquarium background. The printed surface is non-reflective and non-leaking,soft, reusable,durable, hard to fade , so it won't stain your aquarium during use. Package: 1x Custom fish tank backdrop. Clips, tape or glue stick is not included. Uses: Suitable for most aquariums, fish tanks, multi-size background posters for selecting, beautifully decorated habitat hideouts for underwater aquaculture fish tank accessories. Tips: 1. Custom aquarium background cloth installation method, a. Clean the back glass panel of your tank, b. Glue double-sided tape to the 4 corners, c. Tape background to the outside of the back panel, d. Smooth it gently with your hands. 2. Goods folded shipping, method for removing creases: Use a steam iron to quickly iron the back (not the side of the image) at a low temperature. Welcome to pnyylzzyxh! We are a professional background manufacturer with our own factory and can accept customization of any size. 1. Polyester material is used for custom aquarium background. The printed surface is non-reflective and non-leaking,soft, reusable,durable, hard to fade, so it won't stain your aquarium during use. 2.Suitable for most aquariums, fish tanks, multi-size background posters for selecting, beautifully decorated habitat hideouts for underwater aquaculture fish tank accessories aquarium grooming habitat concealment. 3.How to customize : a. Click the "Customize now" button, b.Click the "Browse" button to upload the picture, or enter the text. 4.Installation method: a. Clean the back glass panel of your tank, b. Glue double-sided tape to the 4 corners, c. Tape background to the outside of the back panel, d. Smooth it gently with your hands. 5.Folded shipping, method for removing creases: Use a steam iron to quickly iron the back (not the side of the image) at a low temperature. 6.If you have any questions, please feel free to let us know through the buyer message,we will try our best to meet your needs.