Lifefactory12 Ounce LG4121BKL4

Is this bottle 100% leak proof? Is there 0 contact of water with plastic? What materials come in contact with the water?

Is the bottle made of borosilicate glass or lime kiln glass?

Is this bottle 100% leak proof? Is there 0 contact of water with plastic? What materials come in contact with the water?

Will the old style flip top lid fit on this bottle?