The lid is made of bamboo with a silicone seal ring for a decorative, finished look and to keep contents fresh. Lids are not air-tight. Heavy-duty ceramics are dishwasher safe. For the bamboo lids, simply remove the silicone attached along the lid, hand wash with soap and rinse with water. Wrap the silicone around the lid again and seal back up to use again.
Ceramics Spice Mill Grinder Set
Porcelain mortar and pestle set provide a simple way to crush and grind seeds, easy grip with comfort, unglazed pestle tip gives a slightly rough finish for better grinding. The mortar comes with a flat and unglazed bottom for stability. Nice mortar with a pouring lip which also serves to hold the coordinating pestle in place Perfect for grinding species, herbs, medicine, or other substance. A nice addition to kitchen, lab or pharmacy.