Non-toxic, no bad smell and absolutely no influence to the water. 3D HD picture with bright colors,easy to use and make your aquarium more vivd. It is waterproof and easy to use, just sticking on the outside of the fish bowl. Self adhesive, easy to paste. Durable materials. Picture smooth without wrinkles. With its vibrant colors and detailed HD images, it is sure to create a lifelike effect for your tank. Specification: Material: PVC Size XS: Approx. 61x30cm/24.01x11.81inch S: Approx. 61x41cm/24.01x16.14inch M: Approx. 76x46cm/29.92x18.11inch L: Approx. 76x56cm/29.92x22.05inch XL: Approx. 122x46cm/48.03x18.11inch Package Includes: 1 Piece Fish tank Sticker Note: The product is attached to the outside of the fish tank. The size of the actual item you received could be slightly different from the size above. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.