Lucky Egg × 8

Details
Lucky Egg is an item that doubles gained XP for 30 minutes. After activating a Lucky Egg, its effect lasts whether the player is online or offline.
This item cannot be obtained from a PokéStop itself. However, it can be received by reaching certain levels, or by purchasing it from the Shop for  80. 
A bundle containing eight Lucky Eggs can be purchased for  500 as well. It can be also rewarded for completing set of Special Research tasks.

Introduction to Pokémon GO Items and Acquisition Methods.
In Pokémon GO, there are many Items that are related with capturing, hatching, evolving and battling Pokémon. Most of them can be obtained from Photo Discs at PokéStops and Gyms. Items can be also rewarded from leveling up, winning Raid Battles, completing Research tasks, participating in GO Battle League matches, battling Team GO Rocket members and other methods.

What do you need to do it?
Just your account logging details.

How long it takes?
The trading time is not fixed. It can be as fast as 1 to 2 hours, or as slow as 10 hours. You can contact the live chat to inquire about the specific time before making a purchase.