The Pokémon Company has released the second pack of stickers for iMessage and it is called the Pokémon Chat Pals. The second pack features Pokémon from Pokémon Sun and Pokémon Moon. The stickers cost $1.99 USD / ¥240. The stickers require iOS 10.0 or later with a compatible with iPhone, iPad, and iPod touch and are to be used in Apple's iMessage.

Pokémon Chat Pals Description

New Pokémon that appear for the first time in Pokémon Sun and Pokémon Moon as well as Pikachu and other familiar Pokémon are featured as stickers! Use them in your messages or by themselves! Enjoy!

■ Before you purchase
This sticker pack can be used in iOS 10 or later versions of iMessage. There may be cases in which it does not function well, depending on the OS of the device of the person you are messaging.

■ Note
Once your purchase is complete, we cannot accommodate refunds regardless of your usage of the sticker pack. If some time has passed since your purchase, there may be cases in which we are unable to investigate the details of your inquiry.

Source: https://itunes.apple.com/us/app/pokemon-chat-pals/id1184880451/

Sticker Sheet Pack 2