Specification:Material: PP PlasticFit Pipe Diameter: 30mm / 1.18"Total Size: 104 x 13mm / 4.09" x 0.51"(OD*T) Package Content:4pcs x Pipe CoverDescription:1. Made of PP plastic, with corrosion resistance, suitable for many occasions. 2. Easy installation: Open and install around the pipe without dismantling the existing valve.3. Widely used in water pipes, angle valves, faucets, drain pipes, etc.