Compatible with Simplus full face ma-sk. Custom Bundle No. ➤SNUGLY FIT & KEEP IN PLACE - Hold your ma-sk in place snugly and ensures a good seal to keep your ma-sk from sliding during night. ➤ADJUSTABLE STRAP WITH STRONGER TOUCH-FASTEN-ERS - Equipped with stronger touch-fasten-ers which ensures a tight seal and comfortable fit.
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