Luxury & Custom {3.5 x 3.7mm w/ Approx 1.3mm Hole} of Approx 100 Individual Loose Small Size Square "Cube" Beads Made of Genuine Glass w/ Silver Foil Inner Lined Sapphire Jewel Tone Design {Blue} WARRANTY: These beads come with a lifetime warranty guaranteed by the manufacturer. CLEANING: Before cleaning beads you should research the best methods based on your beads materials. MATERIALS: These beads are made of the best materials available to the manufacturer. DURABILITY: These beads excellent quality and guaranteed to last the life of their owner.