Features:
<br />Brand new and high quality.
<br />LED light glows and flashes in darkness.
<br />Bright light can be seen from far away.
<br />Helps to keep you and your dog & other pets safe during walking.
<br />Provide safety for your dogs and pets while it's out alone at night.
<br />Also work as a decoration: let your dog more attractive.
<br />Easy and comfortable to wear and remove.
<br />Easy to use: One click operation for several different light settings.
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<br />Specifications:
<br />S: Chest 32-40 cm, Width: 2cm
<br />M: Chest 38-50 cm, Width: 2.5cm
<br />L: Chest 43-60 cm, Width: 2.5cm
<br />XL: Chest 60-70 cm, Width: 2.5cm
<br />Battery: 4 x CR2032(Built-in)
<br />Glowing model: Quick Flash, Slow 
<br />Flash, Steady (control by switch)
<br />Glow time: 60 hours
<br />Material: Nylon+LED optical fiber
<br />Color: As picture shows
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<br />128g