Inspired by the famous Hogwarts Houses, this Slytherin Bobble Hat Kit allows fans to show their house pride by knitting a beanie hat in their chosen house colours of dark green and grey. Comes with a Hogwarts House Patch. These official Wizarding World knitting kits come stocked with all the materials, patterns, and instructions fans need to weave a little magic into their lives - and create Hogwarts-themed accessories! Contents/Materials: Acrylic Yarn Bundles, 3.5mm Knitting Needles (x2), House Patch, Instruction/Pattern Booklet. 300mm x 150mm x 105mm.