Retain maximum freshness for a 1/4 oz of your favorite material with the 420Science Small Pop Top Jar. Made from machine blown glass and then finished off with one of a variety of permanent decals. The 1/4 oz small pop-top jar is completely air tight and water proof. You can be confident that the contents inside remain as fresh as the day you got them. Made in the USA and backed by a lifetime warranty! Measures approximately 3.25" tall by 2.5" wide.