Juhao 100 Pack Hydroponics Sponges Seed Growing Media Cylindric Sponges 1.2x1.3 inches(White) (White)

Color: Ivory White Sponge Dia: about 32mm, 1.3"; The height: about 30mm, 1.2". Using Tips: 1,The sponge is environmentally friendly . Their color is ivory white but when they touch the air, the color may become the light yellow. This case is normal. It won't influence the using of the sponge. Please don't worry. 2,Before using the sponge, please soak it for about 1-2 hours and squeeze out the water. Then making the sponge wet with the clean water. 3,Soaking the seeds for several hours to make them drink enough water. Note: 1. Please allow 1-3cm differences due to manual measurement. Maybe some pictures look like larger size,please notice the exact items size. 2. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Hope you can understand.