You'll eventually get that "sticky" problem on "film boxes" too. It's due to the polyurethane fabric coatings which breaks down over time, especially if the product is tightly rolled up or stored in a hot environment. Such items, including camping tents and not just film tents, need to be stored loosely when not in use. A far bigger potential problem on new items made in China is the excessive use of pthalate plasticizers on vinyl, which can give you quite a skin rash. Those kinds of items need to be wiped down with alcohol when new, and left to air out from anywhere from several weeks to several months before use. For example, there's been almost an epidemic of mysterious wrist rashes in this area from "smart" exercise watches and their vinyl wrist bands, and everyone is apparently too stupid to figure out the obvious. Maybe they should loan the dermatologist one of those half-baked devices to wear for a week! Similarly with hiking poles - the good Austrian ones like Leki have real rubber or cork handles, while the Chinese knock-offs have vinyl grips swimming in noxious plasticizer.