YETI Custom 30 oz Tumblers with Magslider Lid, Navy Style Number:21070070035 Features a detachable canopy for 100 organic combed cotton Features a detachable canopy for protection from the sun or drizzle and armrest with built in cup holder 8 ounce 100% polyester tricot Gently contoured silhouette Double needle stitching throughout Tag free label Taped neck Self fabric collar4 button placket with dyed to match buttons Set in open hem sleeves with notch detail Side vents*Due to the nature of 100% polyester performance fabrics special care must be taken throughout the screen printing process Kitchen grade stainless steel with double wall vacuum insulation work together protect your drink at all costs The Rambler 30 oz