SmartDrop Sport Water Filter Bottle - BPA Free 20oz - Reusable Carbon Filter - Water Bottle Spout shield covers and protects the spout when the spout is retractedSpout shield covers and protects the spout when the spout is retractedSpout shield covers and protects the spout when the spout is retracted Tethered straw for easy cleaning and to ensure it stays attached when drinking Soft, flexible carry handle Silicone nozzle, bite resistant Sealed without water leakage, safe and odorless(100% BPA-free), high temperature(-20~100) resistant and non-deformation