This bag has an interior space considerably larger than its outside dimensions, roughly 2 feet in diameter at the mouth and 4 feet deep. The bag can hold up to 500 pounds, not exceeding a volume of 64 cubic feet. The bag weighs 15 pounds, regardless of its contents. Retrieving an item from the bag requires an action.
If the bag is overloaded, pierced, or torn, it ruptures and is destroyed, and its contents are scattered in the Astral Plane. If the bag is turned inside out, its contents spill forth, unharmed, but the bag must be put right before it can be used again. Breathing creatures inside the bag can survive up to a number of minutes equal to 10 divided by the number of creatures (minimum 1 minute), after which time they begin to suffocate.
Placing a bag of holding inside an extradimensional space created by a handy haversack, portable hole, or similar item instantly destroys both items and opens a gate to the Astral Plane. The gate originates where the one item was placed inside the other. Any creature within 10 feet of the gate is sucked through it to a random location on the Astral Plane. The gate then closes. The gate is one-way only and can’t be reopened.
Notes: Utility, Container
How do you make one
There are rules for crafting magic items in the DMG and in Xanathar's Guide to Everything. It's the DM who decides if crafting magic items is allowed.
True.
Take note that this is an item that a level 2 Artificer could infuse into a normal satchel, though still to your point the DM would have to allow the use of an artificer.
But if your DM allows artificers, it's the easiest way to get one.
Could I fit a dragon turtle in this?
No, definitely not. It is 2 feet in diameter at the mouth and 4 feet deep. That could fit a small character, and perhaps you could squeeze a medium character into it. A dragon turtle is gargantuan in size. 5e doesn't get more specific on the size, but 3.5e classifies a dragon turtle as 20-30ft in length, a shell 15-25 feet in diameter, and between 8000 and 32000 pounds.
You can do this.
Add a backpack to inventory. Then custom name it to "Bag of Holding." Then just don't equip it, and it's weight and contents won't tally towards your weight. You'd probably still need to add the magic item, Bag of Holding, so you do get it's 15lb weight.
So my players weren't kidding...
This is a Bag of Colding
That's an item from the critical role stream but not a canon magic item. The closest on dndbeyond would be the Chest of Preserving. But that's a common item, and I don't see why anyone shouldn't be able to homebrew the bag of colding by combining those.
This looks incredibly helpful!
I'm exited to give this to my players. They will definitely be needing it.
Also, if you're doing a Harry Potter themed campaign, this could be useful for Hermione's magic bag.
Imagine D&D without the bag of holding: who could survive?
(Please raise a hand if you think you could)
As a hoarder, it is hard to grasp how.
I am a hoarder.
wait what happens if you put a bag of holding inside out? because the bag of devouring says "Turning the bag inside out closes the orifice"