Features 1、This is a lightweight and durable fiberglass structure. The bubble roller tool is used to introduce freshly air into the fiberglass 2、This is a great choice for improvement projects, for example you can make patches on a smooth surface 3、Fiberglass bubble ball adopt aluminum alloy material, after manufacturing and processing, strong and durable 4、The aluminum roller head can not only rebound carefully, but also is durable and easy to clean. The plastic handle is solvent resistant and easy to clean 5、Fiberglass reinforced plastic is very practical, improving labor efficiency, improving product quality, toughness and flatness Specification Item Type: Bubble Paddle Tool Material: Aluminum, ABS, fiberglass Purpose: Mold resin composite material Roller Length: Approx. 7.62cm / 3in Handle Color: Black Package List 1 x Bubble Paddle Tool