What's in the box:
SOL SLIM Rescue Howler Whistle (2 pack)
The Slim Rescue Howler Whistles weigh only 0.125oz (3.5g) but it Packs-a-Big-Punch namely, a 100dB Signal that is Audible from Over a Mile Away (1.61km). The Pea-Less Design means this Whistle Works in All-Conditions and will never Jam-or-Freeze. Each Whistle measures (W x L x D) 0.875" x 2.25" x 0.3125" (2.2cm x 5.7cm x 0.8cm) and are made from ABS Plasticin in a Bright Yellow Color for Easy Identification.
Lightweight: 0.125oz (3.5g)
Compact: (W x L x D) 0.875" x 2.25" x 0.3125" (2.2cm x 5.7cm x 0.8cm)