Package includes: set of four odour, insect and foreign body resistant silicone sink plugs, including floor drain protection screen, cuttable silicone soft rubber plugs, water flow turbo port and U-shaped water seal tube. (in pink, green and navy) Excellent material:The sewer core anti-odour plug is made of high quality PP+silicone material, soft, non-slip, lightweight, not easily deformed, flexible, resistant to wear and tear, easy to clean, reusable many times, the sink is big enough to hold hair and food waste. Easy to install:Floor drain backflowers are a convenient deep water seal deodorising floor drain core, plug and play type deep water seal deodorising floor drain core. Suitable for regular floor drain calibres, sewer holes larger than 3.7cm and smaller than 5.2cm can be used. TPR soft rubber plug: the cuttable silicone ring can be used between 3.8cm and 7.5cm and can be cut to the size you want. Sealed and waterproof, it fits snugly into the drain opening to prevent odour spillage. Unique design: floor drain strainer prevents hair, annoying insects and rodents from entering the pipe; water flow turbine opening vortex drainage, water can be pushed out quickly, no water on the floor, improve drainage efficiency and will not cause blockage; U-shaped water seal pipe, 360 four-hole drainage, insect, odour and foreign body proof, can effectively prevent unpleasant odour.