Drinking is made easier with this mug because of the straw design, which not only seals well but also prevents dust because of the flip-top lid design with a safety lock. This mug is cold and heat resistant, very safe because of the use of high quality materials. Very durable because the cup body made thicker design. It is made of high quality PC material. This water bottle is suitable for desktop, camping, office, home, etc. Made in PRC.