Using these acrylic ice bead vase fillers is easy. For table decor, simply scatter them on your tabletop to add a pop of color and style. If you're using them for aquariums or terrariums, just place them at the bottom. When filling favor bags or boxes, pour them in gently. As for maintenance, they are quite durable. You can wipe them with a soft, dry cloth to keep them clean. Avoid using harsh chemicals as they might damage the acrylic. Also, keep them away from sharp objects to prevent scratches.