Pereskiopsis are very fast growing, supple, and easy to maintain cactus. Yes! Despite their look they are indeed cactus!
This makes them a great choice for grafting seedlings/small scions onto them. For more info on grafting check out this How to graft cactus link!
Pereskiopsis prefer well draining soil, some humidity, and regular watering/feeding. Low humidity doesnt seem to bug them at all.
you'll receive about 6 inch tall cuttings. They are easily rooted by sticking in either moist soil or a cup of water.