**PLEASE NOTE THAT THESE EARRINGS MAY BE HEAVY & LARGE BECAUSE THEY DO CONTAIN BUBBLE LIQUID IN THEM (4 INCHES LENGTH Functional bubble earrings- you are able to make bubbles with these earrings Earring hooks are made of stainless steel (hypoallergenic & nickel free) Bubble containers are made of plastic Mismatched pairs are available, leave a note stating which earrings you would like! Super cute accessory for any outfit!