Jinne store is following the rules of every shipping company we're working with, that's why we can't use our policy for delivery and shipping for all companies we're working with, and we're preferring to let the customer decide which company to choose.
UPS Shipping
If you're using UPS shipping you should learn more about policy and terms from the link below.
USPS Shipping
If you're using USPS shipping, you can learn more about their privacy and policy from this link.