4 inch glass tumbler. Specifications: 10 X 07 X 0.3 in cms
Package includes 6 Neem wood Tumblers
Neem wood is anti-bacterial and food grade. Drinking water in Neem wood is highly helpful as per ayurveda
Neem wood may get cracks after sometime, it is quite natural and no need to replace tumbler only due to this issue.
Change your neem wood tumbler once in three months as it may reduce the medicinal values of neem wood after that.