Gravestones addon for Minecraft PE will give you possibility to not lost your items once you will died. It is very useful addon if you do not want loose your materialse once you died and you also can very quickly reach place where you died and collect your items back.
How does it function?
When you die, on your place will appear tombstone, with they key it gives you chance to get your items back. If you lose the key you can create new one with iron, bone and redstone.
it works in multiplayer as well. Note that nobody can destroy tombstone and get your items except you
all screenshots you will be able to find below
download addon Gravestones for Minecraft PE 1.14