Ever Sewn Bobbin Holder holds metal or plastic bobbins of all different sizes! Shaped like oval and hollowed out, it is made of flexible rubbery plastic that expands to receive the bobbin and promptly snugs up around it. Threads won't tangle or unwind. Ever Sewn Bobbin Nest holds up to 30 bobbins securely. It is a simple elegant gadget to store any kind of bobbin.