... be changed; 4,heat preservation. 2013 New style fashion picnic bags for 4 people 1,Description: Item noG-121MaterialPolyester&Insulation material ... design,buyer logo service offered2,Competitive advantages:1. Buyers’ specifications and customized color of design are acceptable2. Competitive price3. ... .2. Our factory has been specialized in all kinds of bags ,such as backpack, laptop bag, waist bag ...