In general, aluminum sports water bottles are more commonly used. Most of the sports water bottles are made of pure aluminum. China is a big country of aluminum products. The products are complete. In terms of material selection, each manufacturer has its own characteristics. Many domestic kettle brands use pure aluminum with a purity of 99.5%, but the actual situation is not So, even most manufacturers use recycled aluminum. If the sports bottle is made of aluminum with low purity, or the wall thickness is reduced, it is easy to sag, smash or even burst due to collision or falling. Generally, the higher the purity of the aluminum sports bottle, the higher the wall thickness, the better the strength and toughness of the sports bottle, and the stronger the ability to resist collision and impact. Of course, the better the quality, the higher the cost and price.