The Award-Winning Pura Kiki Drink Bottles Made Of Stainless Steel Are Safe, Sustainable And High Quality And Were The First 100% Plastic-Free Children's Bottles On The Market. Food-Grade Stainless Steel Is Bpa-Free, Hygienic And Durable And Does Not Leach Any Toxins. The Pura Sport In 550Ml Is Ideal For Active Children At School, Forest Kindergarden, Sports Training Or When On Excursions. The Unique Big Mouth Sports Top Allows A Free Flow Of Liquids When Open And A Leak-Proof Top When Closed. The Bottle And Collar Are Made From 18/8 Polished Stainless Steel, While The Big Mouth Sport Top And Sleeve Are Made From Medical Grade Silicon. The Sleeve Provides A Handy Grip And Like All Pura Bottles, The Wide Bottle Opening Enables Easy Filling And Cleaning. The Flexible Pura System Allows You To Mix And Match Bottle Components As Your Baby Grows, So The Same Bottle Can Be Used With Baby Nipples, Sippy Spouts, Silicone Straw Caps And Flat Caps. If You Prefer A Large Metal Drink Bottle Without Silicone, We Recommend The Made Sustained Knight Bottle 500Ml. Dishwasher Safe. Responsibly Made In China.