1. Material: silicone
2. The neck circumference is adjustable in 6 levels, suitable for different groups of people
3. Three-dimensional storage pockets can hold any food that falls
4. Slot-shaped button hole, more convenient to wear
5. Folding and carrying, not easy to deform, easy to go out
6. U-shaped groove, three-dimensional leak-proof
7. Thick and durable, super protection
8. Arc thickened edging design to prevent skin scratches
9. Weight: 200 grams
10. Dimensions: 460x350 mm