Brown beads are most commonly made from glass. Some spacer or decorative brown beads are also made from acrylic.
Brown beads are available in a wide range of sizes — from seed/beading sizes such as 11/0 (about 1.6 mm diameter) up to common standard sizes like 6 mm and 8 mm (≈0.31").
Common brown bead shapes include round beads, cylindrical/tubular seed beads for detailed beadwork, and irregular or wavy spacer shapes used as accents.
Brown beads come in finishes such as frosted or glazed surfaces, matte (velvet-like) textures, and opaque coatings to create different visual effects.
Strand lengths vary by item; common listings show lengths around 15 inches (≈38 cm), with some strands listed at about 16.5 inches depending on bead size and stringing.
Seed-style brown beads typically have relatively generous holes to allow multiple thread passes. For example, an 11/0 seed bead is about 1.6 mm in diameter and often has a hole around 0.8 mm.
Handle glass brown beads carefully to avoid chipping or breakage. Store them in a cool, dry place to prevent damage and preserve quality.