weight bag can be used to tents, , camping tents, pavilions, etc. It can and perfectly the stability of the structure and prevent it from shaking and tipping in windy weather.universal stable instant canopy, pop-up canopy, commercial canopy, beach canopy, small canopy and even , camping awning, patio umbrella.just fill up with water, tie up to canopy posts, and they weight your canopy down quietly regardless of wind blowingThe canopy weights feature convenient wide handle and check valve spout to release the water pressure under cap for a leakproof systemColour:BlackMaterial:Laminated PVC sheetSize:about 20 x 30cmPackage Contents:4 x sandbagsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.