school bags. cartoon backpack with education supplies and stationery. notebook ruler equipment in satchel. rucksacks

school bag backpack satchel stationery education supplies rucksack knapsack schoolbag pencil ruler book backbag strap handle pocket notebook study learn educational textbook pen sack pack baggage accessory preschool childhood knowledge college girl boy student pupil luggage casual full open fashion kid equipment object colorful element vector collection cartoon isolated set