my world joint schoolbag primary school students grade one, two, three to six large capacity spine protection burden reduction boys and children

a model royal blue [3-layer upgrade + get 10 pcs set free]] model a- black [3-layer upgrade + get 10 pcs set free]] a style & green [3-layer upgrade + get 10 pcs set free]] a style pink [3-layer upgrade + get 10 pcs set free]] a style in purple [3-layer upgrade + get 10 pcs set free]] b sapphire blue [3-layer upgrade + get 10 pcs set free]] model b in black [3-layer upgrade + get 10 pcs set free]] b style green [3-layer upgrade + get 10 pcs set free]] b style purple [3-layer upgrade + get 10 pcs set free]] b pattern pink [3-layer upgrade + get 10 pcs set free]] version c in royal blue [3-layer upgrade + get 10 pcs set free]] c type black [3-layer upgrade + get 10 pcs set free]] c style green [3-layer upgrade + get 10 pcs set free]] c style pink [3-layer upgrade + get 10 pcs set free]] d sapphire blue [3-layer upgrade + get 10 pcs set free]] style d and pink [3-layer upgrade + get 10 pcs set free]] d-type black [3-layer upgrade + get 10 pcs set free]] d style green [3-layer upgrade + get 10 pcs set free]] style d purple [3-layer upgrade + get 10 pcs set free]] purple c [3-layer upgrade + get 10 pcs set free]]

42*30*20