Silicone Concentrate Storage Jars Pulsar's silicone containers are great for storing your favourite cannabis extracts. Pulsar dab containers are constructed with quality silicone so that extracts won't stick. The containers also feature a threaded cap and 6ml capacity. Sold in assorted colours, these containers measure 35mm in diameter. Silicone Jar Features: Capacity: 6ml Diameter: 35mm Food Grade Silicone Unbreakable Construction, Easy to Clean Threaded Cap.