BeGrit 2 Tier Mini Greenhouse with Shelves & Cover Portable Compact Garden Growhouse Sturdy Steel Frame Flower Shelter with Reinforced PE Cover & Tie Wraps (H93cm x W49cm x L72cm)
Takes just a couple of minutes to assemble. The cover is quick thick so unlikely to tear as quickly as the clear ones you can buy. You will need something to either peg it down, or bricks to weigh it down to stop it blowing away.