Karen Kay Buckley's package of Perfect Stems includes detailed directions and eight different sizes of heat resistant strips. These new, colorful strips will allow you to make perfect stems that range from 1/8in to 1/2in. Yellow - 1/8in, Lime green - a little over 1/8in, Green - a little under 1/4in, Blue - 1/4in, Purple - a little over 1/4in, Pink - a little over 3/8in, Red - 3/8in and Orange - 1/2in.