More Alabama schools are adding rules for another piece of many children’s school supplies: Water bottles.

Trussville City Schools said local students must bring only clear, plastic water bottles to school. Phenix City schools added a see through water bottle policy too.

Check your local district and school supply lists and handbooks to see what is allowed in the 2025-26 school year.

Trussville’s Paine Elementary school announced on Facebook last month that students would not be allowed to bring metal tumblers or cups next year and that clear liquids are preferred. The bottles must be plastic only, according to the school.

Schools around the country are introducing similar rules and banning Yeti cups, Stanley mugs and other popular brands. Officials say clear plastic makes it easier to see if students are sneaking in illegal drinks.

Some heavy metal water bottles can cause injuries in fights or emergencies. They also can set off metal detectors.

Some districts in Alabama, like Mobile, are allowing individual schools to set water bottle policies.

Anniston’s Wellborn Elementary posted a school supplies reminder about clear water bottles, and clear backpacks for some students, saying the rules help keep things “safe and organized.”

Local districts are also updating rules for cellphones and electronic devices.