Tim Holtz Idea-ology Collage Printed Tissue Paper - Aviary. A collage of different pretty birds, foliage, sheet music and captions make a charming combination. This printed tissue collage paper from Tim Holtz lets you add that very charm to your collages, altered books, cards, mixed media art, posters and more. Use it to layer your artwork and give it a classic vibe. 6 inches x 6 yards and it's semi-transparent.