PVC foil bottle cooler bag . heat insulation Our item No.: BD2105PVC foil bottle cooler bag 1. Material: Pvc foil; EPE aluminum foam.2. Thickness of pvc foil: 0.012mm;Thickness of EPE aluminum foam:2mm;all these thickness can vary according to customer's request .3. Measurement: 8*20 cm, this can also change according to the customer's requests.4. Advantage: heat insulation;heat preservation. ...