Ortega OSMU-S Small String Mute Overview:

The String Mute "S" with 16  - 17 cm ( 6,3" - 6,7" ) total length, padding size 5,5 - 6,5 cm ( 2,16" - 2,56" ) fits for 4string bass, 6string electric guitar and ukuleles

Features:

• No tooling necessary 
  
• Adjustable hoop & loop strap allows fine-tuning of string pressure
  
• effectively dampens overtones, resonating empty strings and sympathetic
• resonances during recordings, live performances, or two-hand tapping
  
• SMALL : Fits for 4string bass, 6string Electric guitar and Ukulele

Specifications:

• Material: 
  • Cotton
    
  • PU
    
  • Nylon
    
• Color: Black