Explore our range of SKE Crystal 4-in-1 Prefilled Kits and Prefilled Pods! Purchase any 2 SKE Crystal 4-in-1 Prefilled Pods for only £15 and purchase any 3 SKE Crystal 4-in-1 Prefilled Kits for only £30. With a variety of flavours available, there is plenty of option to choose from. Terms and conditions apply.