Features: Made of high-quality materials, durable. Effective way to flush engine with-fresh water to rid salt, sand and-silt & to prevent corrosion. Black coated spring steel frame for quick & secure-connection. Includes quick-connect style hose fitting, connects easily to a standard garden hose. Easy to connect - Simply slide cups over the top of the water intake slots, & connect your garden hose to the quick-connect fitting. Suits most outboards & stern-drives (which have side water intakes on the lower unit) Specifications: Material:Rubber Length: Approx.29.3cm/11.53inch Color:Black Package Includes: 1x Water Flush Flushing Muffs note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.