Feature: 1. Select high quality cotton production, refuse second-hand cotton, recycling cotton, healthy safety.  2. Use natural dye plants dyeing and dyeing, healthy environmental protection.    3. Cotton degreasing technology for cotton is softer than cotton and stronger hydrophilic. Winter mice should pay attention to:   1. Make sure you put your mouse cage where you can't blow it.   2. sawdust must be placed more than enough to allow hamsters to have winter mats.   3. sleeping cotton is placed in hamster small house, more than enough, hamsters will build nests themselves.   4. when weather is cold or wind is too big, cover with breathable bag cover with cotton bag plus cotton bag or sleep cotton.   Specifications: Name: colored cotton ball cotton Colour: 6 colour Weight: approximately 0.38 grams per single pack, 100 seeds per pack Applicable object: hamster pet Package Included: cotton ball*100pcs Notes: - Please refer to measurement. Tiny measuring error is allowable in normal range. - There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.