PLASTIC BAGS - Piping/Icing/Glue bags & Clip lock seal bags.  Great for storing tesserae, beads, bling and making up glue "baggies". Select from a variety of sizes and bag micron weight (strength and durability). Plastic bags are a great option for storing mosaic tesserae and materials because they are lightweight, durable, and waterproof. They can help keep your materials organized and protected from moisture, dust, and other environmental factors that could damage them. Additionally, plastic bags are inexpensive and easily available.  Reuse and recycle your plastic bags and be aware of the environment. Mosaic.