Slime storage containers ,good quality product,allows you to label and classify your various colors slime foam balls.good sealability, no leaks or drips,Stackable and handy,it can save a lot of space perfect for DIY slime making.Work well for smallerbuttons,stickers,classroom project,organizing slime,slime beads.foam balls for maximum freshness, convenient to classify your various colors slime or foam balls.