25 new small yellow duck primary school schoolbag grade one to six boys and girls lightweight spine-protective burden reduction large-capacity backpack

royal blue large size (upgraded to reduce burden)(宝蓝色大号（升级减负）) purplish red large size (upgraded to reduce burden)(枣红色大号（升级减负）) dark green large size (upgraded to reduce burden)(墨绿色大号（升级减负）) green plus size (upgrade and burden reduction)(绿色大号（升级减负）) purple large size (upgrade and burden reduction)(紫色大号（升级减负）) royal blue small size (upgraded to reduce burden)(宝蓝色小号（升级减负）) purplish red small size (upgraded to reduce burden)(枣红色小号（升级减负）) dark green small size (upgraded to reduce burden)(墨绿色小号（升级减负）) green small (upgrade and burden reduction)(绿色小号（升级减负）) purple small size (upgrade and burden reduction)(紫色小号（升级减负）)

single bag(单包)