... polyster Available color: Red/Grey/Navy/Purple/Black School student backpack feature1).Size: 44cmX30cmX14cm2).Material: polyster3).Available ... developed many products, including laptop bags, picnic bags, backpacks, travel bags, cooler bags, suitcases, and fishing luggage ... developed many products, including laptop bags, picnic bags, backpacks, travel bags, cooler bags, suitcases, and fishing luggage ...