Q: Is this hatch truly waterproof?
A: Yes—IP67-rated with dual silicone gaskets to prevent leaks.

Q: Can it support foot traffic?
A: Yes, reinforced models support up to 300 lbs (check size specs).

Q: Does it come with a lock?
It seems that there is no text provided for translation. Please provide the text you would like me to translate. Optional—choose between key lock or heavy-duty latchI'm sorry, but it seems there is no text provided for translation. Please provide the text you would like me to translate.

Q: What sizes are available?
It seems that there is no text provided for translation. Please provide the text you would like to have translated. 12"×12" up to 24"×24" (custom sizes on request).

Q: Saltwater-resistant?
It seems that there is no text provided for translation. Please provide the text you would like to have translated into English. Yes—316不锈钢五金和海洋级聚合物。