Comprehensive Set: Includes two sizes of drain bladders (1inch-2inch and 1.5inch-3inch) to tackle various clog challenges in kitchen sinks, bathroom drains, showers, swimming pools, and main sewer lines. Each bladder is equipped with a standard metal water inlet for secure hose attachment. Dimensional Details: The small bladder measures approximately 13x2.3x2.5cm (5.12x0.91x0.98 inches), and the medium bladder is about 16.8x3.3x2.5cm (6.61x1.3x0.98 inches). Ensure these dimensions are compatible with your pipes before purchase to guarantee effective clog removal. Durability and Quality: Crafted from high-quality rubber, these drain bladders boast flexibility and durability. They are designed to expand within pipes, providing a tight seal and powerful cleaning action without causing damage to your plumbing system. Efficient and Eco-Friendly Clog Removal: Utilize the power of water pressure (recommended range: 40-80 PSI) to clear out blockages such as grease, hair, food particles, and soap scum. This method avoids the need for harsh chemicals or mechanical snakes, offering an environmentally friendly solution. User-Friendly and Versatile: Easy to operate by connecting to a garden hose, inserting into the affected drain, and turning on the water. This tool is a safe and effective solution for cleaning a variety of household and outdoor drains, ensuring your plumbing remains free from obstructions. Color: Black Material: Rubber Package Contents: 2pcs x Drain Bladders