The phrase "bubble necklace" refers to a type of jewelry accessory that consists of multiple hollow spheres or beads connected together to form a necklace. Full definition
And I added my new mini bubble necklace in black as a sort of fringe. (looplooks.net)
I LOVE the bright yellow blouse with the turquoise bubble necklace I'm running a giveaway on my blog that I hope you'll enter! (thelifeofthepartyblog.com)
I'm on the fence about all the blue - I love the blazer with the polka dot shirt and blue bubble necklace though! (looplooks.net)