- Astonishing Sealing – ?Hollow cylinder silicone? and ?4 side locking? that locks twice present the most astonishing sealing compared to other brand products.
- Excellent Durability and Safe Materials – ?Hinge? and patent technology of ?Blocking hole? of LOCK&LOCK gives you excellent durability that guarantees more than 3 million times of opening and closing.
- Safe polypropylene (PP) allows you to use it in the microwave and dishwasher.