Versatile Stainless Steel Cup with Straw for Students and Sports

We guarantee all products will be good for at least 2 years; defective products will be changed by a free replacement after confirmed because of Quality problem.

Besides a small leak or tear you should check around all the valves and seams once in a while to make sure they are secure and not leaking any air.You can do this by using soap and water mixture in a spray bottle. Other wear and tear to be aware of is any breaking down of the material or stains that should eventually be removed with a cleaner.

Store it in a dry place away from direct exposure to hot sunlight or cold conditions. Deflated and rolled into its carry bag, it can be stored in any small space such as in a closet or garage. The important thing to remember is to make sure it is completely dry before packing it away so you don't end up with mold and mildew to clean up later.

With a hand pump,it will take about 4 - 8 minutes. With a good electric pump it can take 30 seconds to 1 minute.the barometric needle points to 15PSI

After receiving the sup, please check if the product is damaged due to transportation, and make sure it is inflated before it is damaged. 1. The first charge is recommended to inflate 80% and put it for 8 hours (spring, summer, autumn and winter) and put it into use.This can effectively extend the service life of the inflated product due to the need for a buffering process inside the product. 2. The temperature in winter is low. Although the cold resistance index of our products reaches the mark