Color	Light Yellow + Red + Multi-Colored
Material	Wooden + foam
Quantity	1 Piece
Suitable Age	8-11 Years，12-15 Years，Grownups
Packing List	1 x Main part 2 x Buoyancy balls

Long-term use this product， you can train person's vital capacity， and help to control human breath.

Dimensions: 5.91 in x 1.38 in x 1.97 in (15.0 cm x 3.5 cm x 5.0 cm)
Weight: 0.78 oz (22 g)