New Pig flexberm spill containment pad without grates. Soft, 2-inches sidewalls contain liquids and spring back to shape after you roll over them; no ramps or drum lifters needed. Ready-to-use berm is ideal for temporary storage of drums and containers. Constructed of leakproof, impermeable and chemical-resistant 18 ounces vinyl. One-piece construction deploys in seconds; no assembly required. Portable, lightweight and easy to store when not in use. Bright yellow color minimizes tripping hazards. Not recommended for use with vehicle traffic. Use deck grates for stepping or to elevate drums off the berm. Sump Capacity: 10 gallen. Folded dimensions: 2-feet width by 2-feet length by 4-inches height. Sump dimensions: 2-feet width by 4-feet length by 2-inches height. Usable floor space: 2-feet width by 4-feet length. Wall type: always up.