Insulated cooler bag from sewing style to welding style

As we know,the traditional insulated cooler bag is the sewing style,use the non-woven fabric with the foam inside,or the polyerster made the cooler bag.And it is very convenient for carry outside, very suitable for camping,hiking and outdoor.But if you want take the cooler bag on the water or boat,then you need change other style.
 
And now, the insulated cooler bag have make the welding style,which can use on the normal scene,and you can also take it to the water area,like boat,ing,kayaking,surfing.
The welding insulated cooler bag is use the TPU tarpaulin,and you can select the 420D,600D,840D or 900D.The inside foam is use the insulated foam, keep your food and drinks cool wherever needed for up to 24 hours.The traditional insulated cooler bag is keep cool just some hours.The inside is use the food grade TPU tarpaulin,and you can put your food and drinks on the inside part. The top zipper is use the leakproof zipper, so you can take to the pool or lake, no matter where the adventure takes.
We have different size cooler bag,like the 6 cans,20 cans,24 cans,36 cans.And you can select the different size when you use.
How the welding style cooler bag different? 
1.The welding cooler bag can keep food and drinks cool time longer than the traditional insulated cooler bag.It is up to 24 hours.
2.The welding cooler bag can take to the pool,lake and other water area,and the sewing style cooler can’t take to the water area,especially drop on the water.
3.The welding cooler bag is use the durable TPU tarpaulin,hold heavy gear.