Original innovators of the button lock design.
The patented[1] security BUT-N-LOC® tab fastens the top to the base of the container. If tampered with prior to purchase, the lock button tab will not be connected to the base and a clean, round hole in the closure tab will be evident.

Product Features：
Excellent choice for ready-made sandwiches.
High clarity and tight lid fit prevents leakage.
No sharp edges, no wasteful tear strips.

Market Application：
For any sandwich shop, café, deli, or canteen. 

Special Features：
It can be made from post-consumer recycled PET (rPET) according to customer needs, provide environmental benefits and meet customer demand for more sustainable food packaging.

[1] PATENT NO.: US10,532,860、US10,322,858、US9,950,845、US9,932,153、EP3231726、AU2016203056、CA2,930,513、TW I689449、TW I628118、TW I562939