material:silk,PP non woven fabric,cotton ,etc. size:23*4*25cm heat transfer print 1) Helps keep beer or beverages cool 2) Waterproof, durable, convenient and comfortable carrying of bottles or cans; 3) Both non-toxic and non-caustic; 4) Various styles, colors, sizes and thickness can be designed by customer; 5) Logo:According to your requirementOEM and ODM: We have a team of senior engineers and ...