Silicone Inner Support Frame - 3D Bracket for comfort.  Keep fabric off mouth to create more breathing space.  
 
	
Size: 10*8*4.7cm(L*W*H)
	
Reusable/Washable
	
More Space for Breathing - It holds up the fabric around the mouth to create more breathing space.
	
Made of Food Grade Silicone safe, washable, and reusable.
	
Suitable for Various products
	
Tips - Using double-sided tape or thread to fasten the silicone frame to reduce movement.
	
No Worries about Size – Bracket Shape can be modified by cutting the brim with scissors