As a personal hobby, I collect my favorite beads and use elastic string to DIY accessories. This uses stretchy string. Suitable for both men and women. Material: Unknown Weight: 53g Size: Approximately 20mm, please check the photos. Instant purchase OK. (◍•ᴗ•◍)❤ No need to comment before purchasing. Stored at home. Please refrain from purchasing if you are particular about details or are very sensitive.