When hot water is poured in , within two three minutes the whole bottle get heated and the heat of the water decreases like common glass bottle. What is the problem ??
Hi please reply m bottle ki lid open to kar rhibhun but pani nhi niklta h actually jo upper se presser ke shat niche ka lid open hota h jahan se liquid niklta h h vo open hi nhi ho rha h kese tik karen