Designed for Tetra by Henry Julier and Pete Oyler, our airtight storage jars are lightweight, light-blocking, and have a silicone seal that ensures their contents stay fresh and their concave lids stay on tight — even when you flip them over. The green and purple jars are made from opaque glass, while the blue is a bit more transparent. Because the jars are handmade, there may be faint glass-blowing marks on their tops, particularly on the purple, because purple glass tends to be softer when molten. We think this adds to their charm.Hand-blown borosilicate glassApprox 3"dia x 3"h