... , ISO 9001:2000, SGS approved , competitive price , delivery on time . ITEM NAMEGlass Watering Device (2pcs Bubble ) / (Bubble ... with water and insert into the soil of plant .As soil becomes dry.it releases ... watering bulbs,which releases the exact amount of water your plant needs it's that ... watering and excellent solution to watering plants while on vacation. Easy to use Aqua Gloes watering bulbs ...