Features:

4 Wheel dolly accessories are easy for you to assemble or disassemble by yourself. Please use your brain and hand to obtain a sense of achievement, and can save your time and effort to do other things.
The trolley channel wheel is sturdy and compact, so it is not afraid of taking up too much space at home, and you can store it in a drawer, basket, box, cabinet, carton and more when not in use.

Specifications:
Material: steel
Color: silver
Size: as the picture shows

Package includes:
4 x Heavy duty trolly wheels

Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.
Small parts included, please care for your children.