Features: 1. Durable and dependable. 2. Rust proof and leak-proof. 3. High-quality food grade 201/304 stainless steel on both inside and outside walls, scratching resistance, 100cm BPA Free for heath-safety. 4. Lightweight design, perfect for your gym bag, car, bicycle and backpack to enjoy your long hikes, trekking, hot yoga class, long load trip, or any other outdoor activities. 5. Fashion design, looks cool, you will love it yourself and want to gift it to family and your friends.
Specification: Capacity: 500ml Material: within:304 Stainless steel outer:201 Stainless steel Cold for up to 24 hours Hot for up to 12 hours