So, in case you don't know how to make a chest, it's actually very easy. You just need to make a crafting table, go up to it, take your wood, wooden planks rather, put them in a square, and you'll have a chest. Boom, nice and easy, right? And how you make a large chest, take a chest, whoops, that's an orc. So, to make a large chest, put your chest down, put another chest down. There you go, large chest.