Specification:Fit for Glass: 10mm / 3/8" (approx)Total Length: 1000mm / 39.37" (approx)Drip Rail Length: 10mm / 3/8" (approx)Cover Glass Edge Length: 11mm / 7/16" (approx)Type: h-Type; Material: Silicone RubberPackage: 1 x Frameless Glass Shower Door SweepPlease Note: Adhesive is necessary but NOT included here. Description:1. PERFECT FIT GLASS DOOR: Fits frameless shower doors; bottom side seal; fits 3/8"(10mm) thick glass; slip on fit, adhesive is necessary.2. GREAT WATER BARRIER: Use the frameless shower door bottom seal to prevent leaks without detracting from the "All-Glass" frameless look, keep bathroom looking great.3. EASY TO INSTALL: Installation takes just minutes, and adhesive is necessary. It is designed to attach to the bottom of frameless, swinging shower doors.4.