Food grade 304 stainless steel material, temperature control and keep cold, corrosion resistance, not easy to rust, healthy drinking water is guaranteed. Enhanced thermal insulation performance, and long-lasting heat preservation. The cup lid and body are tightly sealed safe sealing against water leakage. Ultra-light portable, small and exquisite, one-handed grip, miniature body easily slipped into the pocket, at any time to drink a mouthful of warm temperature. Inside the sealing silicone ring, any inversion does not leak, safe for you to think about. The rounded cup mouth is smooth and comfortable, drinking water does not scratch the mouth, the threaded design does not easy to leak, and the lid fits closely. Non-slip cup bottom, placed without sound, durable. Comfortable feel, delicate and smooth, a touch of love. Measuring 5oz, this custom mini compact portable pocket insulated bottle 5oz. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.