Ultemp The Swag Supreme Cotton is the cleanest, best tasting organic cotton on the market for vaping. Made by vapers for vapers! This cotton is scientifically formulated to handle the ultra-high temperature. Constructed out of 100% organic materials and cotton fibre blended with cellulose fibre with no chemicals involved. The Swag Project is perfect for rebuildable atomizers, rebuildable tank atomizers, bottom feeding atomizer.