Crafted with a 304 stainless steel interior and 201 exteriors, it ensures durability and temperature retention. The PP lid and handle, complemented by a silicone ring, provide a leak-proof seal, and an integrated PP straw and convenient clip cap hand lip. Lightweight at 1lb, with a compact size of 4x12", it's perfect for on-the-go hydration. Whitetails Unlimited logo.