The beads in an Bracelet Mala are either 21x8mm (typical wrist Mala count) or 18x10mm (18 is representative of the 18 Arhats) and will fit most wrists. They are strung on Chinese Knotting Cord with and adjustable Chinese Sliding Knot (for maximum adjustability).

(this image is an example- your Mala will be a unique design)