Faucet hoses connect the faucet stems under the sink to the water supply. The faucet hose is also called a faucet water supply line and there is one for the cold and one for the hot. They are connected to either a shut off for the hot and cold water pipes or to the pipes directly if there are no shut offs.
The length depend on your requirement. extensible is available.
Extremely tearing resistant, crush resistant, anti-friction, anti-corrosion, high-pressure resistant, anti-aging, acid proof and alkali proof.