Product Color: Shown in the pictures.Material: Plastic and copper.Size: approx. 19.5 x 2 .7 x 2.7 cm (LxWxH).Package Contents:1 * Bicycle Trailer Accessory Tow Head Easy to use: Our bike trailer is easy to install, no other tools required. First attach the hitch of your bike trailer to your bike with a nut. Then insert the trailer attachment; Finally, put on the pen; The connection is finished, bring you much convenience.Durable Material: The hitch hitch attachment for bike trailer is made of steel with black enamel coating, strong and durable, anti-corrosion, hard to damage.Come with snowflake tool: This multi-instrument snowflake tool can be used to open beer bottles, twist various screws, repair skis and bikes, cardboard boxes open etc. You can use it for travel, outdoor adventures, sports, camping, boarding and exploring and rescues etc.Application: A trailer hitch for r bike trailer can connect your trailer to your bike. The bike trailer makes it easy to attach the trailers to your bike while allowing you to safely and conveniently transport your young children. It is suitable for universal bikes, strollers, etc.DESIGN: The bike trailer fits most bikes.