# Toddler cups with a valve in the lid Which toddler cups have a valve in the lid that helps stop spills when tipped? No checked fact says a valve stops spills when the cup is tipped\. The matching facts are: b\.box Sippy Straw Cup 240ml: A unique two\-way valve ensures easy drinking and no leaks, even with warm water OXO Tot Transitions Straw Cup with Handles \(6 oz\): The straw valve opens as soon as tot’s lips touch spout for easy drinking\. The hinged cap closes to create a leakproof seal\. OXO Tot Transitions Straw Cup: The straw valve opens as soon as the toddler's lips touch the spout\. A hinged cap closes to create a leakproof seal\. ### 1. [b\.box Sippy Straw Cup 240ml](/products/ucp/lovemedobaby-com/7033472221318) (sold by lovemedobaby\.com) A unique two\-way valve ensures easy drinking and no leaks, even with warm water - Valve: A unique two\-way valve ensures easy drinking and no leaks, even with warm water (listing) - Leakproof lid: - ### 2. [OXO Tot Transitions Straw Cup with Handles \(6 oz\)](/products/ucp/lovemedobaby-com/6688465125510) (sold by lovemedobaby\.com) The straw valve opens as soon as tot’s lips touch spout for easy drinking\. - Valve: The straw valve opens as soon as tot’s lips touch spout for easy drinking\. (listing) - Leakproof lid: The hinged cap closes to create a leakproof seal\. (listing) ### 3. [OXO Tot Transitions Straw Cup](/products/ucp/lovemedobaby-com/9546358670) (sold by lovemedobaby\.com) The straw valve opens as soon as the toddler's lips touch the spout\. - Valve: The straw valve opens as soon as the toddler's lips touch the spout\. (listing) - Leakproof lid: A hinged cap closes to create a leakproof seal\. (listing) Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-21T02:24:46.431Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)