I am from the Netherlands (Rotterdam)
I's legal to get syringes etc, but you can't just randomly buy them .
I'ts legal to use steroids for own use
I'ts legal to sell steroids with description (although this is not very clear, the rules here are sometimes so weird here with all those leaps)
I's illegal to sell without description
I'ts legal to carry steroids
My BF needs a good behavior paper in his name for work, so that's why we only buy under my name to be sure.
But we can order everything, no problem.
We only once had a whole package of peptides smashed up when it arrived to our home.
But honestly the police here is not so busy checking people on steroids.
I wouldn't want to travel with syringes either..maybe only for insulin. Then you have a nice back up story.
If you want to be the safest...take only pills.
About the hotel packages..
I work in a hotel and we get deliveries from guests very often. So that's one thing you can do, just send something to yourself.
You should rather go to Rotterdam anyway