1. Material: food grade stainless steel & silicone, meet the FDA, LFGB standard.
2. Flexible, lightweight and portable, easy to store and transport.
3. High and low temperature resistance, unbreakable.
4. Beautiful, smooth, corrosion-resisting, no rust, long service life.
5. Dishwasher safe, stackable, freezer safe, microwave safe.
http://www.szmilabao.com/kitchen-gadgets/tea-infuser/tea-ball-infuser-strainer-with-handle.html