SWELL Roamer Bottle, 1.2L (40 oz). with carrying handle. With its sleek, nature-inspired design, the S'well Roamer is equally at home in the wilderness or at a workout class, plus it's equipped with a carrying handle for easy transport. S'well Roamers feature Therma-S'well technology - a triple-layered, vacuum-insulated construction made of high quality, 18/8, food-grade stainless steel walls plus a copper wall layer for superior temperature retention. It means that beverages will stay cold for up to 40 hours or hot for up to 18, while keeping a condensation-free exterior. The sleek silhouette fits comfortably in your hand, making it the ultimate companion for any outdoor adventure. BPA Free and reusable. Hand-wash only. By choosing re-usable S'well bottles you can help reduce the use of single-use plastic products that pose a threat to our environment.