Material and build Material: synthetic material. The product listing also refers to these as wooden lids for home glass jars, reflecting their appearance and style. Solid workmanship for everyday use: durable construction designed for repeated opening, closing, and washing. Reliable sealing Builtin silicone ring creates a tight seal to help prevent leaks and spills. Suitable as a yogurt jar sealing lid or glass jar replacement lid when you need a secure cover. Function and compatibility Designed for use with yogurt cups and home glass jars—works as a yogurt cup cover or a replacement lid for smalltomedium glass containers. Practical for both storage and drinking needs. Key benefits (why you need it) Keeps contents fresh and prevents leaks during transport. Durable, practical design that stands up to regular use. Easy to swap onto jars for quick storage upgrades or to repurpose glass containers as drinkware. Performance and care Silicone ring improves sealing performance and is removable for cleaning. Synthetic construction is made to be longlasting; follow standard washing instructions for results. Practical use scenarios Yogurt on the go: use as a sealing lid for homemade or storebought yogurt cups to prevent spills in bags. Kitchen storage: convert glass jars into airtight storage for spices, nuts, or dry goods. Drinks and gifts: use with glass jars for cold beverages or package jars with the lids as a practical gift for friends and relatives. Why choose this lid Combines practical sealing with durable materials and careful workmanship. Easy replacement option for worn or missing glass jar lids and a simple upgrade for yogurt cups and home jars.