Stylish design of square cube dumbbell-shaped barbells♪ Simple, so it goes well with any outfit. Free shipping, 2 pieces for 350 yen! Gauge: 16G (approx. 1.2mm) Square diameter: 3mm Inner diameter: 6mm Material: 316L surgical stainless steel (hypoallergenic) Colors: 1. Silver, 2. Gold, 3. Black, 4. Pink Gold, 5. Blue, 6. Rainbow If you have a color preference, please let us know your desired color in the comments or transaction messages. If not, we will ship two silver pieces. *We also have a set of 4 for 680 yen, so please consider it. Instant purchase OK!