S:  D-8cm      H-10cm   T-0.3cm  Suitable for Lens (Length Max 8cm, Diameter Max 8cm)
M: D-10cm   H-14cm   T-0.3cm   Suitable for Lens (Length Max 12cm, Diameter Max 10cm)
L:  D-10cm    H-18cm   T-0.3cm  Suitable for Lens (Length Max 16cm, Diameter Max 10cm)
XL: D-10cm  H-22cm   T-0.3cm  Suitable for Lens (Length Max 20cm, Diameter Max 10cm)

Lens for Reference:

For S:   1pcs of Nikon AF-S Nikkor 50mm f/1.4G(about 73.5x54mm)  Nikon or Canon 50/1.8, 50/1.4
For M:  1pcs of Nikon AF Nikkor 85mm f/1.4D IF(about 80x72.5mm) Nikon or Canon 18-135, 18-105 etc.
For L:    1pcs of Nikon AF-S Nikkor 24-70mm f/2.8G ED(about 83x133mm), or Canon 24-70, 24-105, 18-200, 24-120
For XL: 1pcs of Nikon AF-S Nikkor 70-200mm f/2.8G IF-ED VR(about 87x215mm) or Canon 70-200  etc.