.188 inch thick clear glass provides the polished look to showcase your shower Overall unit is 70 inches tall and glass panels measure 23.5 inches wideand can account for some out-of-plumb wall conditions and out of level conditions The unit can be installed for left or right entry; Walk through area will vary between 18.81-21.31 inches wide The curb width is 1.56 inches wide and designed to repel water in the shower This door can be applied to Fiberglass or tile shower bases; Shower bases and or walls not included