• Product Overview: SIGMA Telephoto Zoom Lens Contemporary 3.9 - 15.7 inches (100 - 400 mm) F5-6.3 DG OS HSM Lens Case (Improved Version). It can also be stored with our lens compatible tripod seat and MC-11 attached • Compatible Lenses: SIGMA Telephoto Zoom Lens Contemporary 100-400mm F5-6.3 DG OS HSM Lens is guaranteed to be stored without issue. It can also be stored with our SIGMA 100-400mm tripod seat and SIGMA MC-11. Can be stored even with a tripod on the E-mount 3.9 - 15.7 inches (100 - 400 mm) DG DN (It will be stored tightly. ) • Not Recommended Lenses: TAMRON Tamron 3.9 - 15.7 inches (100 - 400 mm) lens is not recommended as it is quite tight even without a tripod seat. Please be careful • (Materials, Dimensions and More) The material is made of polyester and EVA and the interior is covered with a sponge of about 0.4 inch (1 cm) thickness, so it can protect the lens from impact. The inner diameter is about 5.1 inches (13 cm), and the storage depth is about 9.1 inches (2 • About the manufacturer: Fototo is a camera accessory manufacturer such as lens hood and shoe covers. There are over 200 user reviews on lens hoods, etc. We will provide support with sincerity, so please buy with confidence