Different products Different shipping?

Our store has 2 types of products. T-shirt (approx 4oz per shirt) and stickers which do not weigh much at all unles you order bulk. Im new to this and Im wondering what the best method for shipping?

Also is there a way to setup shipping by weight for T-Shirt products and a flat rate for sticker products up to a certain amount of stickers say.. 50 units?

You would need to have a custom shipping module made to calculate based on 2 different scales your t-shirts and labels if you cannot use the same method ...

Example:

1 T-Shirt

3 T-Shirt

1 Sticker

12 Stickers

1 T-Shirt and 1 Sticker

1 T-Shirt and 6 Stickers

3 T-Shirts and 27 Stickers

From there you can configure a new shipping module but more information on the details of an order such as the examples above would be needed ...