Scientific and perfect design: We added fixed groove rails on the inside of the shower door seal to that it not fall off after long-term use. Waterproofing: The 45° sloped drip rail design on the side of the shower door seal creates a tight seal with the bottom waterproofing sheet, preventing water from leaking onto the shower floor. Make your bathroom look clean and tidy. EASY TO INSTALL: The frameless shower door bottom seal installs in 3 sections, each section is 19.69 inches. Easily installs in 5 minutes. After measuring the glass door, you need to cut off the excess length of the glass shower door seal and install each section in sections. Reliable Material: Our shower door leak-proof device is made of tough pc material, which not deform or discolor after long-term use. The material of the bottom waterproof sheet is soft enough to effectively reduce friction when the bathroom door slides. Package Included: There are 6 pieces of clear shower seal strips for glass the package, each piece is 19.69 inches, and the total length is 59.05 inches. Shower door bottom seal fits 3/8-inch glass., Manufacturer: CTRLZS