Rucksack - A large backpack for items accessed less often.

Older children often carry larger backpacks and are responsible for more of their packing as well.

Tucked under his left arm was the large backpack containing the radio.

Travel light - a large backpack that is easily locked and carried is best.

Miguel stood in the shadows and lowered a large backpack to the ground.

She had a very large backpack on her back and unzipped it.

She stared proudly at the large backpacks filled with seed.

With his robotic strength, he could carry the greatest amount of it in a large backpack without a problem.

A large backpack that must be hers was lying at her feet.

I imagine that anyone whose first trip abroad involved a large backpack and small amounts of cash feels the same way.