ENVIRONMENTAL SUSTAINABILITY - Self Watering Planter Insert For Direct Root Hydration. Watering Pots Are New Designed Plant Water Globes Used to Promote Water Conservation Up to 70%. DEEP ROOT GARDENING - Terracotta Watering Spikes Are Clay Self Watering Pots That Release Water To Directly. Attach to Watering Pot Clay Wall Over Time For Optimal Feeding. SELF WATERING SYSTEM- Water Is Delivered Directly To The Root With Up To A 2 Week Supply Helping To Conserve Water. Vacation Without Worry With Terra Watering Spikes. TIPS TO USE THE plant watering stakes- Soak the self watering stakes,water the soil and dig a hole before placing them into the pot. Drive the plant watering stakes deep into the soil so that the openings are flush with the soil.Stakes should be mostly buried in the soil.When the bottle needs refilling,just lift the empty bottle out,refill the bottle, and hold your finger under the upside down filled bottle as you set it back on top. Do not push the plant watering stakes hard to avoid breakage GOOD BACKUP SYSTEM FOR YOUR PLANTS- These plant watering spikes for potted plants give you peace of mind while on vacation. Colour:Photo Color Material:terracotta Package Contents: 4 x Plant Watering Ball Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.