Ok, what I have observed ordering jsb pellets from 5 different venders, all venders are not created equal. All of my jsb pellets ordered have all been sealed reguardless of the calber and have all been great less one of the venders. One of those venders sent me unsealed pellets, damaged tins, poor quality pellets in their regards to grouping when shot. Their only response was i must be using the wrong caliber pellet in my gun. That vender also stated that jsb pellets were sealed sometimes. Very disapointed in this vender I am glad to know this about them before I ordered an air gun from them. Hope that vender reads air gun nation. Barry