I cannot recommend these Ozark Trail water bottles enough! My kids have been using theirs for school and my husband and I have been using the tumblers at home. They’re only $8-$9 and work just as well as the much more expensive brands. (commissioned links)

Water bottles — https://rstyle.me/+J6hImZBDlvqqlWrAG353fQ
Tumblers — https://rstyle.me/+Hz7JrfSJ_tKocylD-liWFw
More — https://rstyle.me/+Lmfbm_XxujLDPNRUympTbA