【High Quality Material】 - Product size: 3.3 x 98.4 feet; Thickness: 23.6 mils (0.6 mm); Total spread area: 325 square feet. SWPEC waterproof membrane were made of high quality polyethylene materials which ensure this tile underlayment membrane have extremely high wear resistance, tear resistance and flexibility. 【Strong Waterproof & Moisture-proof】- This waterproof tile with a thickness of up to 23.6 mils (0.6 mm) can effectively prevent water or moisture from penetrating into wooden floors, ceramic tiles, cement or ceramic floors, and prevent tiles or floors from cracking, greatly avoiding damp and mold. 【Cut-table Size for DIY】 - You can freely cut the size of this waterproofing membrane according to your project, easy for application. 【Long Lifetime Service】- This waterproof membrane for shower is highly flexible, and it can be easily folded to fit various spaces. You can install this shower underlayment under the bathroom floor or wall to ensure that your bathroom, shower floor, corners and walls can keep dry for more than 20+ years. 【Widely Application】 - This tile underlayment is widely used for walls and floors in kitchen, shower room, sauna room or roof. It can be used with marble floors, cement floors, ceramic tiles, ceramics and stone wall tiles.Suitable for homes, school, hospital and commercial places. This high-quality waterproof membrane is suitable for indoor floors or interior walls to prevent water and steam from penetrating into the walls or floors. This waterproof membrane is made of polyethylene material, which is easy to bend and fold. The thickness is 24 miles makes the waterproof membrane extremely flexible. Widely can be use in bathrooms, showers, saunas, gyms, commercial kitchens, hotels, terraces and balconies.