Odorless 0.2 mm thick PVC background that resists tearing and provides lasting protection for your aquarium Black background enhances visual depth and creates a dark, secure, and peaceful space for fish and plants to grow Easy to install: clean the glass, peel off the protective film, lay the background flat, and smooth out bubbles with a card No glue, tape, or gel required thanks to electrostatic adsorption; simple to attach and remove without leaving residues Odorless and safe for aquarium use; designed for glass surfaces to deliver reliable performance Use scenarios Freshwater tanks or planted tanks where a deep black backdrop enhances the display and reduces glare Small nano or desktop aquariums where a thin, unobtrusive background improves perceived depth without crowding the tank Tanks housing shy or territorial species that benefit from a calm, dark backdrop for reduced stress Materials and performance Material: PVC, 0.2 mm thick Function: provides shading, depth, and a protective, elegant backdrop Compatibility: attaches to glass surfaces via electrostatic adsorption; no adhesives required