You can thank a certain lemon-colored TV character for these!
You get: Netherrite armor enchanted to level 10 on everything, plus spare boots with frost walker!
Please note, as with other kits, that this is a one-time purchase. If you die and lose the items, or someone kills you and takes them, they will not be replaced and you will not receive a refund. Please be careful! This is your only warning.