No-Slip Secure Mask Strap, Mask Holder for Cool Mist Inhaler Compressor System, Comfortable Adjustable Head Straps for Children and Adults
Brand: FIGERM
Package Include:

1 pcs Head Strap

Note: No masks are included.
Comfortable: The use of an elastic fabric makes it more comfortable to wear. Note: No masks are included.
Easy to Use: Wrap the strap around the ends of your mask and adjust to the appropriate length.
Non-slip design: If the child is restless during breathing treatment, the mask can still be in the proper position.
Adjustable: The size is suitable for children and adults.
Lifetime warranty: Please contact the seller for a full refund if you're not completely satisfied or any other issue.