Different materials have varying densities

♡ Weight: 40-50g

♡ Note: Each size of beads may vary slightly from the standard

♡ Height: 5-6cm

♡ 100 grams corresponds to different quantities of tumbled stones based on size

Black Tourmaline Quartz Round Bead Stretch Bracelet Size:12mm Different materials have varying densitiesThe natural length of the stretch bracelet is 17 20cm. Please confirm your wrist size before purchasing. Note: Each size of beads may vary slightly from the standard; the error range is as follows: 4mm ranges from 3. 8mm to 4. 8mm; 6mm ranges from 5mm to 6mm; 8mm ranges from 7mm to 8mm; 10mm ranges from 9mm to 10mm; 12mm ranges from 11mm to 12mm.