Comparison of style 1 and style 2 pictures
style 1:
Length: 17cm (6.5in), width 10.5cm (4in), thickness: 2cm (0.75in)
Weight: 222.2g
Style 2:
Length: 11.5cm (4.5in), width: 10cm (3.5in), thickness: 2cm (0.75in)
Weight: 173g
Dimensions for Style 3:
Top width: 19cm; Bottom width: 20cm; Height 12cm; Thickness: 6cm
Shoulder straps: adjustable
Handle height: 28cm
Shoulder strap length: 120cm