This product includes: 1 piano head strap, 2 anti slip buckles on the back strap, and 3 paddles.

The packaging weight is approximately 8.7g, and the packaging size is approximately 13cm * 4cm * 1cm,
The default packaging for the package is a transparent OPP bag, as shown in the following figure: 

Please refer to the following figure for usage instructions:
Please refer to the following figure for the usage method of the strap anti slip buckle:
The paddles come in a variety of colors. Three pieces of random color.