1. ADVANCED MATERIALS: Soft enough to be cut to the desired size with a sharp knife or a hacksaw; flexible enough to create any curved shapes; when stepped on, it bends and immediately returns to its original shape. Barrier and wheelchairfriendly. 2. KEEP WATER IN THE THRESHOLD: It is tall enough to withstand the issues of a submerged floor drain. It can prevent water overflow and isolate the shower area from the outside. After installation, water leakage can be avoided, keeping the bathroom clean and preventing problems caused by a damp environment. 3. WATER DAM SPECIFICATIONS: The shower water dam provides additional accessibility and mobility for children and the elderly. The dam is designed to collapse when stepped on or rolled over, then quickly to its original shape, ensuring barrier access and family safety. 4. SHOWER BARRIER: The shower water dam is 1.18 inches wide and 1.77 inches tall. We offer two sizes to choose from: 39 inches and 78 inches, effectively preventing water intrusion and providing complete protection against water overflow.