Features: brand new and high quality Keep your plant more happy and hydrated all year long without spending all your watering. Simply pour water from your plant watering can into the self watering bulbs and sit back. Each replacement plant watering can hold 110ml of water that it steadily releases over 3-day period, so you can come to healthy, flourishing garden. Right size for both small and large house plant, great for watering indoor potted and hung plant. Can be used indoors or outdoors, garden, home, office, school, decorate the room. Compact and practical, convenient to carry out, not occupying much storage space, practical for single potted plant usage. Specifications: Material: Ceramics Size: approx.8.5x16.5cm/3.35x6.50in Color: Shown in pictures. Quantity: 4 Pcs Package Includes: 4Pcs Automatic Plant Waterer note: Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of the item.