The airtight storage jars is made of 5mm high borosilicate glass which is non-toxic, very resistant to thermal shock. The smooth cork lid is made from eco-friendly natural wood.
Each food jar（Φ3" x 8.5"H） with a flexible cork cover effectively keeps the air and moisture out.
The 23oz cannister is perfect to store tea, coffee, sugar, flour, cereal, beans, rice, spices, herbs, preserves, jams, chutneys and biscuits, candies, nuts etc. 
The crystal clear high borosilicate glass allows you to see what is inside and easily monitor whether your food has run ou without removing the cork lid.