The Odin Innovations Sound-Dampening Buffer is constructed out of high-quality silicone rubber, this ultra-thin sleeve significantly dampens the rattling noise typically associated with hard-plastic containers (think high-cap mags), and to top it off you only lose roughly 15procent of the loader's carrying capacity! 
Features:

High quality silicone rubber construction
Significant sound-dampening effect when carrying in-person
Minimal loss of BB carrying capacity
Simple, one-time installation
For ODIN a EMG M12 Sidewinder speed loaders

Specifications:

Color: White
Material: Silicone rubber

Manufacturer: Odin Innovations