Mini Clear Plastic Boxes Material:These transparent container boxes are made of polypropylene material.Small Plastic Containers Size:Each rectangle storage box is approx.3.5x2.4x1 inches (L x W x H) with 1.2mm thickness, lightweight, durable.Small Items Storage Boxes Package Includes:12 pcs mini transprent plastic rectangle containers box; help you organize and protect your important items.Mini Storage Containers Easy To Use:plastic bead storage containers stackable for easy storage, mini size for easy carrying and traveling.Multi-purpose Beading Storage Containers:Small clear rectangle containers for Storing and Organizing. Great for organizing small items, crafts, beads, coins, earplugs, safety pins, Jewelry and watch parts etc.