YETI Custom 30 Oz Tumblers with Magslider Lid, White color_Sport Tek_ LST406 82 18 cotton poly fleece 78 22 cotton poly Flat interior velcro pocket 82 18 cotton poly fleece 78 22 cotton poly (Oxford Grey) 60 40 cotton poly (Charcoal Heather) Reverse Weave cross grain cut resists shrinkage Two ply hood with dyed to match drawcords 1x1 rib knit side panels 90 10 poly spandex jersey Tag free labelSmooth faced Chin guard for additional comfort Cadet collar Taped neck Raglan sleeves Open cuffs and hem *Due to the nature of 100% polyester performance fabrics special care must be taken throughout the screen printing process and your iced coffee will stay cold so take your time While the magnet on the included MagSlider™ Lid adds an additional barrier of protection for keeping drinks contained and preventing heat or cold from escaping