FOLDABLE WATER BOTTLE. BPA Free. 750ml / 25oz. HydraMate lightweight, soft, collapsible eco-friendly bottle for gym, outdoor activities and travel. Sports cap with hygienic safety lid. Refillable, stands when full, folds down when empty. Water viewing window and clear base. Fully recyclable. Carabiner to clip to your bag or belt. Comes with a FREE keyring bottle opener!