Jasper Mini Lotus Backpack - waterproof roll-top from Ucon Acrobatics. The Jasper Mini Lotus Backpack is a minimalist daypack from Ucon Acrobatics. The roll-top closes with metal buckle and allows a practical filling of the backpack. The outer material is made of fluorocarbon-free polyurethane. On the inside, a soft fleece ensures that all your belongings are protected from scratches. The rubberised and matt upper gives the Jasper a modern and contemporary aesthetic.