bottle sleeve cooler bags 1.Material:Neoprene 2.Thickness:2mm,2.5mm,3mm,3.5mm,5mm,etc. 3.durable,waterproof,fade- ... .5L,etc. Colorred,pink,yellow,green,black,blue,etc.Thickness2mm,2.5mm,3mm,3.5mm,5mm,etc. Usagekeep cool and warm ... -30days after sample confirmed Carton size35*27*17/50pcsG.W.and N.W.2.8kg and 1.5kgFY-PT001 Back seam type bottle ...