Self-watering Planters are designed for the effortless and easy way of watering plants. These are beautiful-looking pots that help your plants survive longer with lesser water demands. These pots store water at the base reservoir and provide the required amount of water to the plants by capillary action. Plants watering demands drop a minimum of 50% when planted in self-watering pots as compared to the normal pots. Please refer to the graphic illustration above to better understand how self-watering pots help and benefit you and your plants in a much easier way than you aspect. 
Product Details:

Pot Name:  4inch Self Watering Planters

Package Available: Set of 10 (All 10 Colours) ORDER YOUR CUSTOMIZED COLOUR PACKAGE (CLICK HERE)

All Available Sizes: (find under the self-watering section for other sizes) CLICK HERE

Pot Type:  Self Watering Planter
Material: Fiber Plastic
Surface finish: Mate finish is highly smooth
Material Density: Highly dense
Pot Placement: Indoor and outdoor both
Pot 4inch dimensions: L=10cm, B=10cm, H=11cm for 4inch (Refer Image for both dimensions)
Number of Drainage Holes: No need to make holes (Designed for Self Watering Mechanism)

CAUTION:

Excessive watering may cause water clogging in the soil. In such cases, users are advised to remove the base reservoir plate thus allowing proper drainage of watering.
There should be proper drainage in the soil itself else it will cause root rot and the plant will eventually die. 
Proper cleaning of the base reservoir is recommended usually within 3-4weeks.