Come and see our amazing products. The 15oz pyramid thermos is made of stainless steel. Its double-walled vacuum insulation can keep your beverages cold for up to 24 hours. Food-grade stainless steel and a 100% BPA-free lid keep your beverages fresh without worrying about leaks or spills. During camping, hiking, sports or office, use this bottle to store your favorite beverages, including water, tea, coffee, etc. We welcome customized logos, please contact us. Pls confirm with us about the packing info, stock color and exact production time before placing your order.