Features : - Silicone trap lid keeps snacks in container - Streches over most containers (3.25 - 4 in diameter) - 100% silicone lids - Containers hold 7oz About the brand Discover Boon, a leading innovator, designer and manufacturer of infant and baby products. Driven by a strong desire to create modern products that help simplify parent’s lives while retaining their personal style, Boon offers a wide range of products that parents love.