Interior Size: 75 x 100mm (2.95 x 3.93 inch), Exterior Size: 100 x 129mm(3.94 x 5.07 inch), Compatible with Lenses with diameter and height below 75 x 100mm (2.95 x 3.93 inch) . Note: Since the lens pouch is soft and flexible, the size of lenses that can be held may be slightly larger than the interior size of the pouch Water-resistant exterior material (Polyester Fiber) + Foam cushion interior Provides great protection and shock absorption for your lens Mesh pocket inside lid for lens cap, body cap and more camera accessories Provides 4 carrying options, fits Lowepro belt JJC Deluxe Lens Pouch is designed to carry a typical SLR lens. This pouch features heavy-duty polyester construction with a foam cushion interior. It provides great protection and shock absorption for your lens.

This series of lens pouches is available in 7 sizes to fit a wide variety of lenses.

The interior of the S size is 78 x 115mm (3.07 inch x 4.52 inich), compatible with

Canon EF 50mm f/1.8 STM
Canon EF 50mm f/1.4 USM
Canon EF 50mm f/1.2L USM
Canon EF 85mm f/1.8 USM
Canon EF-S 10-18mm f/4.5-5.6 IS STM
Canon EF 35mm f/2 IS USM
Canon EF-S 60mm f/2.8 Macro USM
Canon EF-S 18-55mm f/3.5-5.6 IS II
Canon EF-S 18-55mm f/3.5-5.6 IS STM
Canon EF-S 18-55mm f/4-5.6 IS STM
Canon EF-S 18-55mm f/3.5-5.6 IS STM
Canon EF-S 18-55mm f/3.5-5.6 IS II
Canon EF 100mm f/2 USM
Nikon AF-S Nikkor 35mm f/1.8G
Nikon AF-S Nikkor 50mm f/1.8G
Nikon AF-S Nikkor 50mm f/1.4G
Nikon AF-S Nikkor 50mm f/1.2
Nikon AF-S DX Nikkor 18-55mm f/3.5-5.6G VR II
Nikon AF-P DX Nikkor 18-55mm f/3.5-5.6G VR
Nikon AF-P DX Nikkor 18-55mm f/3.5-5.6G
Sony FE 50mm f/1.8
Fujifilm XF 16mm f/1.4 R WR
Fujifilm XF 35mm f/1.2 R WR
Fujifilm XF 23mm f/1.4 R
Fujifilm XF 18-55mm f/2.8-4 R LM OIS Zoom
Fujifilm XC 16-50mm f/3.5-5.6 OIS
Fujifilm XF 50mm f/2 R WR
Fujifilm XF 35mm f/2 R WR

And other lenses whose outside diameter and height is below 75 x 100mm (2.95 x 3.93").