The mesh screen, Its porous fabric allows air to pass through. Make sure your food and drinks are protected from insects and well ventilated. 4 Colors - Green, Blue, Yellow, Purple. Provide more options for different taste. Keeps out flies, bugs, and mosquitoes great for barbecues, picnics, pool parties, birthday parties, and camping, etc. Easy to Pop-up and folds up like an umbrella, To close it just push the rod back and everything closes very easily The food cover is hand washable and reusable,very portable,Take out this little package anywhere comfortably. Size of each food cover measures approximately (when opened): 43 x 43 x 28 cm (L x W x H), it can cover dishes and drinks up to 41cm in diameter Number of pieces delivered: 4