Using these unfinished wood gumdrop - shaped crafts is easy. First, peel off the protective paper backing. You can then start your project right away. If you need a hole, just tell us the size and where you want it, and we'll add it for free. When it comes to sizing, you can choose diameters from 1 inch up to 36 inches. Regarding the thickness, we offer 1/8 (3mm), 1/4 (6mm), or 1/2 (12mm) cabinet - grade Baltic birch plywood. If you need a different thickness, just message us. For maintenance, keep the wood in a dry place to prevent warping or damage. Since it's unfinished, you can paint, stain, or decorate it according to your project needs. Enjoy creating with these high - quality, hand - made crafts!