(1)Sports Frames
sports frames is "one size fits all" designing. there are four color: silver,brown,dark blue,pink
(2)Ni-alloy Frames.
Ni-alloy Frames has three size: small, middle,large.(small and large size only have black color, middle size have black and silver color)
the three size description is below:
Frames size                                 Small                          Middle                            Large
Temple length                     126 mm (4.96 in)       131 mm (5.16 in)         139 mm (5.48 in)
Lens diameter                      50 mm (1.97 in)          52 mm (2.05 in)           56 mm (2.21 in)
Bridge width                         15 mm (0.59 in)           15 mm (0.59 in)           15 mm (0.59 in)
* normally. Middle size will be good for most of the user
(3)Titanium Frames (Titanium faems only have small and middle size. small size only have black color, middle size have black and silver color) 
Frames size                                Small                           Middle
Temple length                    126 mm (4.96 in)       131 mm (5.16 in)
Lens diameter                     50 mm (1.97 in)         52 mm (2.05 in)
Bridge width                         15 mm (0.59 in)         15 mm (0.59 in)
* normally.Middle size will be good for most of the user.
(4)TTL combines Flip Up loupes frames
NEW TTL combines flip UP Loupes frames is "one size fits all" designing. and there are two colors: Silver , dark blue
the old TTl combines Flip Up loupes frames only have black color