Convenient non spill moistener for envelopes stamps labels etc. The reinforced sponge head unscrews from its clear pliable plastic container for refilling with water. Clean and hygienic. Size 40mm diameter x 80mm long. Water capacity 50ml.. Features. Material. Plastic, Rubber. Product colour. Multicolour, Transparent. Capacity. 60 ml. Weight & dimensions. Diameter. 3.9 cm