Sport bottle: 1:double -wall and vacuum design. 2:SGS,FDA.non-toxic,lacquer 3:Various styles and colours are acceptabl Capacity:300ml,500ml,600,700ml.stainless steel sport bottle is double-walled and sport bottle is used mainly in company,house,university,hospital ect.drinking sport bottle configuration:seamless fabric,durability bottle.unbreakable to fit into any rucksack ,leather pouch and ...