Specification: Name: 3D Printing Pen Pad Material: silicone Size: about 170*170*40mm/6.69*6.69*1.57in Color: green Instructions for Use: 1) Simply use a 3D pen to draw the filament into the basic lines and shapes in the groove of the mat; the mat will not stick to the printed filament, will not bend the mat, and can easily remove the filament from the surface of the mat, It more easily supports 3D strokes and precision. 2) Support all 3D Pen / 3D filaments: For example, PLA filament refills, ABS filament refills; the design cushion is made of groves and can easily squeeze 3D printed materials. Packing List: 3D Printing Pen Geometric Shape Pad B Green*1 Anti-scald Finger Cover*2 (random color)