It has a removable inner bag with a zipper, so you can add or remove the polystyrene bead filling to make the bag perfect for you.
• 100% polyester
• Fabric weight: 9.91 oz/yd² (336 g/m²)
• 200l (7 cf) of polystyrene bead filling
• Water-resistant material
• Childproof bottom zipper with 1 slider
• Removable inner bag with a zipper for the filling