Made of natural and renewable bamboo, this band organizer is excellent for silicon, leather, or mesh straps. Plain, rustic, or gem-studded, your 38mm, 42mm, or 44mm bands will all fit in the most solid watch tray on the market. Each case secures nine classy bands, but buy additional cases to store even more bands of all types and sizes. The case features an innovative groove system, enabling a vast stacking capacity. Easily swap bands to match your outfit to the occasion. The polished bamboo surface will satisfy the most refined esthete. The material and construction is top-shelf, and has a lifetime guarantee. This superb band holder makes an exquisite gift.