This product is in bulk. If you need OPP ziplock bags, you can contact customer service. Each one costs 1 cent.
If you need a single plug-in card package, you can purchase it at the link below
If you need 2-pack plug-in card packaging, you can purchase it at the link below
[ Product name]: Temperature sensitive safety key
[ Ingredients]: PP+TPE
Specification: Temperature sensing range: 38℃- 40℃ working temperature: 0℃- 100℃
size:2.7* 13.8CM
