Angel Wing Lip Ring-BioPlastic Labret Stud-16g-14g-Ear-Monroe Piercing Jewelry Angel Wing Labret Stud available in 18 gauge, 16 gauge, 14 gauge. Choose size from menu above bioplastic labret stud, push-in style top See our entire collection of bioplastic labret studs, tragus earrings, cartilage earrings and lip rings. Flexible, comfortable bioplastic labret bottom can be cut down to custom length