The first picture is a product picture, the other pictures are sample displays Note: The actual packaging box may be different from the one shown in the picture Specifications Type: Straight and Triangle Color: Dark blue / Blue/Green/Pink Material: Neoprene Size: Straight: approx.69 * 7cm Triangle: approx.58 * 16cm Features: 1. Easy to Use -- Sling the one-piece strap over your face and around your chin 2. Adjustable Size -- One size fits all, adjust straps in chin and neck back 3. Instantly Stops Snoring -- Your jaw is held firmly in place with the Velcro straps. 4. Perfect Positioning -- Ideal jaw positioning combined with a closed mouth effectively prevents the tongue and throat tissues from falling back and blocking the airway. 5. Comfortable Sleeping -- The end result is a quieter, snore free night. No more waking up with a dry mouth and throat. 6. Comfortable Material -- The soft and comfortable fabric will ensure your face doesn\'t get irritated resulting in a great night\'s sleep. HOW IT WORKS: Before: People tend to sleep with their mouth open without chain strap, which partially closes your upper airway and causes you to snore. After: The anti-snoring chin strap gently holds your jaw closed while you sleep, which allows the airway to remain open to prevent snoring. Package: 1pcs * Anti Snore Chain Strap