Beaba’s Glass & Silicone conservation jars are designed for freezing, storing and transporting meals for baby and the rest of the family. They feature heat and thermal shock resistant glass and visible graduation marks to make measuring easy. They are made of highly resistant glass: heat and thermal shock resistant (heat, freeze, sterilize…). Airtight closure to preserve flavors and aromas. Visible graduation marks for measuring. The handles are designed so that parents can easily feed baby and use lid as a plate. BPA, Lead & Phthalate free.