Material: This aquarium poster is made of PVC material, the material has high transparency, non , no peculiar smell, no water stains, long service life. Self Adhesive: The background picture comes with glue on one side, easy to attach the decorative paper to the aquarium or fish tank, and paste it easily. Clear And Fade Free: Provides a simple and effective background design for aquariums with attractive themes, true and clear patterns that won’t fade easily. Wide Applicability: The blue sea water pattern makes this fish tank background sticker widely suitable for a variety of fish tanks and aquariums, easy to match. Decorative: A practical aquarium decorative item that can decorate your fish tank and easily create a rich underwater world for your fish, saving time and effort.