Set of 4 Clear Glass Storage Jar Canister Set with Stainless Steel Lids Available in four sizes,2200ml/1800ml/1400ml/1000ml Four jars included in each set, varying sizes from small to large MATERIAL- This storage jars are made of environmentally-friendly and hygienic glass and screw-on stainless steel lids for easy removal. AIR-TIGHT LID- Air-tight lid with the gasket that could keep it dry and away from other harmful spoilers CLEANING- It is easy to wash that just hand wash and then natural drying.