Most attractive and polular bottles and promotional gift. 500ML vacuum flask: -Stainless steel material with rubber plainting -Vacuum flask with trial -Carton size:46.5x31.5x20CM/24PCS, 8/10KGS -Production time:within 15 days. -MOQ:1500PCS Keyword:vacuum flask,thermos mugs,flask,thermos,bullet shape flask,mixer,shaker,stainless steel bottle,sport bottle,drinking flask