Features: Dual-purpose glue pen This is a magical glue pen coated with glue color blue, about 10 seconds later becomes transparent This is a dual-use explanation Oh ~ Please note! 1.It has just been coated with blue glue. At this for time, the paste is permanent. It is used for permanent attachment such as pasting of envelopes. High fastness 2.When the glue becomes transparent about 10 seconds later, the paste becomes Temporary, used to paste notes and photos, can be torn off without leaving any traces, 4 types of nibs, tailored to your needs, fine nibs are particularly suitable for the paste of delicate parts, blue glue makes the smearing position clearly visible The glue components are water-based acrylic emulsion and water, acid-free, dibenzoyl, environmentally friendly and safe tip high wear resistance fiber material, making the glue very smooth. The shorter the application for time is, the shorter the paste for time interval is, and the better the viscosity is. After the temporary paste is applied for 10 seconds, observe it to avoid repeated application, excessive glue, and incomplete dryness. Stickiness is not permanent. Too long, need to reapply Specification: for Shell Material: Plastic Color: Blue Size: 1mm: 14*1.5cm 2mm:14*1.5cm 4mm:11.3*2cm 4mm:14.5*1.8cm 15mm:12.5*2.8cm Quantity: 1Pc Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package included: (No Retail Packages) 1 X Glue Pen