Features: Keep your baseball caps in perfect shape with this 20 pieces set of breathable polyester hat shapers, designed to maintain structure during storage, travel, or daily use. Crafted from flexible polyester felt, these light weight baseball hat shaper ensures optimal air flowing to keep headwear comfortable while preventing moisture buildup. Essential hat accessories for baseball enthusiasts, frequent travelers, and anyone who value organized hat storage and hat shape preservation. Use these baseball hat shape maintainers to protect your collection in closets, suitcases, or backpacks while commuting, vacationing, or displaying hat as decoration. Effortlessly insert the hat shaper into any baseball caps size and fold edges for instantly structural support – making it great for hat restoration project and daily wear maintenance. Specifications: Component: Polyester Color: White, Black Size1: Approx. 26x10cm/10.23x3.94in Size2: Approx. 28x16cm/11x6.3in Size3: Approx. 30x11cm/11.81x4.33in Weight: Approx. 300g Package Includes: 20Pieces Baseball Hat Shapers Inserts note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color