The lid is made of high quality bamboo wood, with BPA-free silicone ring seal. Remove the lid before heating in the microwave or steamer. You may cover the glassware with a paper towel (for microwave) to prevent splatters.
Avoid sudden drastic temperature changes.
Do not subject the glassware to direct heat sources such as on the stovetop, under the broiler, or on a grill.
Do not heat empty or almost empty glassware in the microwave.
When heating oil or butter in the microwave, keep the heating time to minimal.
If the food releases liquid during heating, add some liquid to cover just the bottom of the glassware before heating. Do not add liquid to hot glassware.
Do not let hot glassware get in contact with wet or cool surfaces, or cold glassware with hot surfaces. Place it on a dry cloth, a potholder, a wooden stand, or a cooling rack.
Allow the glassware to come to room temperature before placing it in the microwave, refrigerator, freezer or water.
Do not use browning wrappers or bags that concentrate heat in certain areas in the microwave. This can cause uneven heating and possibly breakage.
When placing the glassware in the freezer, if it contains liquid, leave some room for the liquid to expand during freezing.
Care and Cleaning
Handle with care to avoid chipping, cracking or severe scratching.
DO NOT drop or hit the glassware against a hard surface or object. DO NOT strike it with a hard utensil.
For tough stains, soak the glassware in warm soapy water for a while, then scrub it using non-abrasive scouring pads such as plastic or nylon.
The glassware is dishwasher safe with the lid removed. Please handwash the lid.
Stack the glassware with the lids on.
Intended for normal household uses only.
Precautions
As with all glass products, failure to carefully follow the use and care instructions could result in property damage and personal injury.
Do not use the glassware if it is chipped, cracked or badly scratched.
Only handle hot glassware using oven mitts or dry potholders.
Handle broken glass pieces with caution as they can be extremely sharp and hard to nd.