Universal Baby Bottle & Straw Cup Covers - Milk Drinking Accessories &. Transform Your Baby's Bottle Experience with Our Durable Baby Bottle Cover Replacement. Designed from Food-grade Silicone and PP Materials, This Cover is BPA-free, Odor-resistant, and Withstands Temperatures Up to 120℃. The Built-in Sealing Silicone Rubber-ring Ensures a Tight Fit Without Any Leakage, Making It Perfect for Travel. Convert Your Existing Baby Bottle into a Convenient Straw Cup, Encouraging Independent Drinking. The Flap-open Design is Both Sanitary and Dust-proof, Complete with Pressure Relief Valves to Prevent Spills. Installation is Simple—press, Rotate, and Listen for the Click. Available in Blue, Green, Pink, and White, This Versatile Cover Brings Convenience to Any Standard Baby Bottle. Features: - Safe Materials: Made from Food-grade PP and Silicone - Leak-Proof Design: Built-in Sealing Ring Prevents Leaks - Temperature Resistant: Withstands Up to 120℃ - Convenient: Transforms Bottles into Straw Cups - Easy Installation: Quick and Secure Fit - Sanitary Design: Flap-open Lid with Relief Valves - Color Options: Blue, Green, Pink, White Package Includes: 1x Cup Cover (Note: Due to Manual Measurement, the Product Size May Vary by 1-2cm. Colors May Appear Different on Various Monitors.).