Usage Tips:Stop Uncomfortable Burps Quickly - Providing natural relief for both fast and slow burps, our reusable burp straws are simple and drug-free. Use at home or on the go Easy to Use - Our burp stop straws are simple to use by drinking through the straw while inhaling. This requires more force to stop the burp completely. Great for Kids and Adults - Burps are common among people of all ages, so we designed our burp stop straws to be safe for kids and adults. Dishwasher Safe - Made of food grade, our reusable burp stop straw device can be hand washed with mild dishwashing detergent and is dishwasher safe for easy cleaning. Ultra-Thin, Portable Design - Lightweight and compact, our stop burp straws are sized to fit easily in a carry-on, handbag, backpack, or even a pocket. Colour:Blue/Light Green Material:pp Package Contents: 3 x Hiccup straw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.