Description Made of food grade safe plastic material with heat resistance and good sealing function. Can effectively prevent dust and stains from entering the bottle. Suitable for baby milk fresh-keeping or bottle anti-leaking. Bright color design catch your baby's attention. Features -Material: PP -Size:4.30X4.30X1.50cm/1.69X1.69X0.59in. -Safely seal your baby's milk bottle to prevent from spilling and to keep dust away. Perfect for outdoor travel use. -Able to withstand high temperatures, heat-resistant and practical. -Premium and safe food grade PP material, not easy to damage and break, and easy to wash and dry. -Suitable for baby milk bottle use, breast milk bottle and fresh milk bottle use, very practical. -Great sealing function, fresh-keeping for milk, anti-leaking for breast milk and milk powder.Package list: 10 x milk bottle lids