Φ16 tubes

 The hose + outer cover/hose are often made of PE plastic.

According to the thickness of the product, it is divided into single-layer pipe (most commonly used, cost reduction) and double-layer pipe (good sealing performance). According to the shape of the product, it is divided into round hoses (most commonly used, with lower cost), and flat hoses are also called heterosexual tubes. Commonly used outer covers for hoses are screw caps and flip caps.

Craftsmanship

Bottle body: direct production of plastic products with additional colors, multi-colors are available, and transparent ones are less used
Printing: silk printing (using spot colors, small and few color blocks, like plastic bottle printing, requires color registration, commonly used for professional line products) and offset printing (similar to paper printing, large color blocks and many colors, daily chemical Thread products are commonly used.), there are hot stamping and hot silver