Specification 1 Size: can be circular, oval, square, rectangular, elongated, Bubble shaped, diameter of 5 mm-25mm range. 2 Thickness: square dot 0.2 mm - 1 mm, round dot 0.2mm - 3 mm. 3 Viscosity: high / high / medium / low / ultra. 4 Packaging: package 5 also can be customized size. How to choose a suitable size 1 size: according to size of the object matching dot size; 2 Thickness: Press contact surface or object weight and thickness and hardness may be; 3 Viscosity: a) Press the object surface smoothness; b) flat or have convex surface; c) separation requirement when two objects "trace level or whether permanent cement.