The "Shake a Good Artifact" carrying case has a built-in beverage sealing mold. It is not easy to lose the plastic sealing film. << Product specifications >> PP (Polypropylene) Size: 3 cm*2 cm*22 cm Heat resistance: 100 degrees C << 3 Features of Shaking Good Artifacts >> 1.Built-in safety jab Do you think a flat mouthed straw needs a small jab and a diagonal mouthed straw to drink in an environmentally friendly cup? Go out with "shake a good artifact", built-in safety jab, don't worry about losing the small jab, you can shake and shake without bothering and worrying! 2. Six-hole ventilation hole The old carrying case has no ventilation holes, and it is easy to accumulate moisture and generate odor? "Shake a Good Artifact" has six ventilation holes, which are breathable and ventilated, and the moisture is easily discharged after washing. 3.Portable hanging rope hole It ’s always a long time to carry the carrying case in the bag? "Shake a Good Artifact" intimately attaches a lanyard hole. It is so foolproof and convenient to hang out your bag and hang your neck when dining out. << Product Precautions >> Avoid high temperatures. It is recommended to use at room temperature and keep it dry. ※ The company provides a 7-day product inspection period. If you find any defects after the goods arrive, please contact us within 7 days.