Stopper beads keep your beads from sliding around your bracelet.  It is best to order these in a pair to keep your beads securely in place.  Bauble LuLu stoppers are compatible with Bauble LuLu bracelets, Halia bracelets, and Nava Bracelets.  They are not recommended for Pandora.

Bauble Lulu features hundreds of interchangeable beads that fit on bracelets, necklaces and earrings! The beads are also compatible with jewelry from Pandora, TrollBeads, Chamilia, Halia and more. Bauble Lulu jewelry is rhodium-plated which it is a beautiful, bright, silver metal that will not tarnish and is extremely durable.