It’s a kind of resin sand timer. The lids’ material is resin.
We make it like a piece of orange fruit. You can customize other types of fruit sand timer.
The bulbs are glass, and there is a clear acrylic tube outside to protect them.
Even you carelessly drop it on the ground, it will not break.
These kinds of sand timers are usually for kids and students. So we need to make sure that they are safe enough.
The size of it is Dia60×132mm, which is suit for kids.