1,Neoprene material 2,Custom size 3,MOQ 500pcs Neoprene material bottle cover,SBR material bottle cover1,Material:Neoprene,we have different thickness for you to choose from,normally we use 3-5mm SBR fabric.2,Size:custom size and shape3,Color: red,blue,black,grey4,Function:will protect you from the hot or cold bottle when you holding them. bottle cover