Nanit Baby Monitor Compatible (3) Breathing Band set 3 months - 24 months Gently used, with typical wash wear (shown in photo), white option has a small stain that could come out (shown in photo, has not been spot treated) - still functional with monitor and Velcro, good condition! Velcro closures Safe for infant sleep, swaddles / sleep sacks and breathing band can be worn over onesies or pajamas, lightweight material with stretch for secure wearing and prevent SIDS