BobKnob (2 x 16 ct boxes, Teal and Purple) TWO BOXES OF 16 TEAL AND PURPLE KNOBBINS. Great value. NO MORE ROLLING AWAY. GREAT FOR HOME AND TRAVEL - Special horseshoe design keeps bobbins in place and lined up for easy access. No more worrying about bobbins rolling away. Thread tails hold in place, preventing tangling and messiness. Makes a great gift for your favorite sewing enthusiast. DURABLE. WILL NOT BREAK WHEN DROPPED. Made of soft material with memory, not plastic. Plastic holders can break or crack when dropped. Bobbin Knobbin material is soft and durable. BOBBINS STAY IN PLACE, EVEN WHEN DROPPED. Bobbins are held tightly, and stay in place even if dropped. WORKS ON MOST BOBBINS. Including Janome, Bernina, Singer, and many other brands. (Bobbins not included). Made in the USA.