This handy, spill-proof plastic case is double sided and can hold up to 50 metal or plastic machine bobbins. An ideal solution for preventing tangled threads and keeping your bobbins organized and accessible. Secure hinges and latches ensure your bobbins stay in place.12 x 11 x 4.7 cm (4 3/4″ x 4 1/4″ x 1 3/4″)