【LEAK-PROOF & SECURE】 Designed with a double-ziplock seal and reinforced side seams, these breast milk storage bags effectively prevent leaks and lock in freshness, ensuring safe and hygienic storage for your breastmilk. 【EASY FILL & CLEAN POUR】 Features a separate easy-cut pour spout for smooth, spill-free transfers directly into nursing bottles without needing scissors, avoiding mess and contamination. 【LARGE CAPACITY & PRECISE SCALE】 Each bag holds up to 250ml / 9oz with clear double measurement scales for accurate feeding. Includes a dedicated write-on label area to easily track volume, time, and storage date. 【SELF-STANDING & SPACE SAVING】 The flat-bottom self-standing base ensures easy filling and fits well in bottle warmers. Bags can lay flat or stand upright in the fridge or freezer to optimize storage space. 【30-PACK VALUE & BPA-FREE】 Includes 30 hygienically prepared, 100% BPA-free storage bags for safe daily use. Provides a convenient, safe, and reliable solution for breastfeeding mothers on the go.