Wrapables Mini Bubble Bib Statement Necklace, Sky Blue Drop Shape Necklace Dimensions: large bead 1.5" x .88", small bead 1" x 0.75"; 16" chain with 2.75" extendable chain. Drop Shape Necklace Material: Resin. Mini Bubble Necklace Dimensions: 25"chain with 2" extension. Size: (small bead) 0.25"D, (medium bead) 0.31"D, (large bead) 0.5"D. Mini Bubble Necklace Material: Resin.