Vensovo 10pcs Terracotta Watering Spikes - Automatic Self Watering Stakes, Plant Watering Devices for Wine Bottles Recycled Bottles, Clay Plant Garden Waterers for VacationsSAVE YOUR TIME: Terracotta watering spikes work through osmosis to moisten the soil and the plant root, delivering right amount of water to plant without frequent watering even in hot summer day. EASY TO USE: As long as you connect the recycled empty wine bottle to the plant stake and then stick into the hole dug previously in the soil, they will drip water automatically. PERFECT GIFT: The terracotta watering spike set must be plant lover's delight!