Check the listing for details. Mushroom/Caterpillar Blacklight Poster 23 x 35. Color: Multi-Color, Condition: New. Listed at 16.49 USD. The Blacklight Zone sells items related to the blacklight culture including both non-blacklight reactive items and blacklight items. Mushroom/Caterpillar Black Light Poster 23 x 35 Flocked, black parts have velvet feel and provide excellent contrast to the image. Measures approximately 23" x 35" Poster is rolled and wrapped in plastic Ships in sturdy mailing tube. Printed in the USA with highly fluorescent inks. Mushroom Caterpillar Black Light Poster, 23 inches x 35 inches, standard sized. Printed in the USA with highly fluorescent inks and black flocking. A flocked poster has black fibers that feel felt-like. The black is much deeper than an ink and gives great contrast to the fluorescent inks. This poster has a 3/4 inch white border around the whole poster. This is normal for screen printed blacklight posters because this is how they are pulled through the printing press and that area cannot be printed.