Samson 10-12ft Heavy Duty Trailer Camper Cover Waterproof UV Resistant 20x30cm it mentions 4 special screws

it mentions 4 special screws to attach accessories

The high-pressure water flow will have you relaxing in no time and you can take your pick of five spray modes from rain to massage

4000k and 6000k

PP armrest

Samson 10-12ft Heavy Duty Trailer Camper Cover Waterproof UV Resistant 20x30cm it mentions 4 special screwsThese covers are manufactured specifically to endure the harsh Australian sun, and also withstand the heavy rainfalls in some of our nation's regions. Each cover features a 4 ply Non Woven Polypropylene roof and 100% Waterproof material throughout. Ensuring maximum moisture resistance and breathability. The above covers not only offer the highest protection, but are also matched with the greatest array of features, to make the covers as customizable