ARTBIN SEW LUTIONS THREAD STORAGE BOX is stackable for spool sewing supply | eBay
Artbin Art Bin Super Satchel Box with Removable Thread Trays : Amazon.co.uk: Home & Kitchen
ArtBin Floss Finder with Dividers10.75 7.375-inch x 1.75-inch Translucent, Acrylic, Multicoloured, 1.65 x 10.65 x 6.9 cm : Amazon.co.uk: Home & Kitchen