Shower door bottom seal fit 3/8 in. thick frameless glass doors and 36 in. each. Please measure the thickness of door before order. Shower door sweep M Type x 1, shower dam D Type x 1, D type can use with M Type seal, filling much wide door bottom gaps between the thresold. 36 in. each, no splicing, no micro gaps, no leaking. Quick easy to install, shower door seal strip creat a great water barrier of your door and get a dry shower floor. 1/2 in. W x 1/4 in. H shower dams made of acrylic, with half round design, work on flat floor, seal 1/4 in. gap, make water back into shower. Before install please tear off the red adhesive backing film. No adhesive. Installation takes just minutes, Just place the new shower door seal next to the door and push to snap it into place. Clear and sturdy polycarbonate material, glass shower door seal strip serves for many years without color changes. Fins of the shower glass seal strip are soft and make the door move smoothly. Shower seal set prevent water leaking, shock absorption, dust-proof and soundproof, ect.