Common closures across listings include plastic snap-on lids, twist-top lids with built-in straws, screw-down lids, metal caps, and novelty flasks that use a leak‑proof rubber plug.
Some listings describe multipurpose uses—for example, certain ceramic pieces are suggested for growing indoor plants or for storing pens and pencils.
Most product details do not list suggested ages. One listing specifies “Suggested Age: 12 Years and Up,” while other items lack clear age recommendations in the available descriptions.