Arnotts have a big sale on until the end of the June bank holiday weekend. 30% off online across wide range of products. They deliver nationwide and standard delivery is €4
Plus you can can currently earn 6 Aer Lingus Avios per €1 spent at Arnotts if you click through to Arnotts via the eStore (login is same as your Aer Club):
https://estore.aerlingus.com/retailers/arnotts