【Easy to Use】The back of the hat tape size reducer are made of strong adhesive material, which can be attached directly to the inside of the hat, or you can sew them on the sweatband for a firm hold.
eBay
652F Sailor Captain Costume Navy Marine Admiral Hat Yacht Captain Hat Navy Marine Hat
Aliexpress UK
Easy to operate: The head circumference of the hat is large and loose, and using a hat to reduce stickers can effectively reduce the head circumference. Simply peel off the protective film on the adhesive side, stick the adhesive side of the hat size reducer on the inside of the sweatband, and press it with your hand to use.
eBay
Harley Cosplay Quinn Hat Red Black Hat Harley Cosplay Halloween Party Cosplay Accessories Prop Unisex Harleen Hat
Aliexpress UK
Description: Self-Adhesive Hat Reducer Insert is suitable for many caps and hats. Each strip has adhesive on the back, you can stick them directly to the inside of the sweatband, or you can sew them on the sweatband for a secure hold. Specification: Name: Hat Size Reducer Material: EVA Size: about 110x20x5mm Packing List: Hat Size Reducer x 10pcs Note: 1. Due to differences in lighting and screen settings, the color of the item may vary slightly from the picture. 2. Please allow for slight size differences due to different manual measurements.
eBay
Top Hat for Adult/Children Cylinder Hat Magician Mad Hatter Party Costume Fedora Magician Hat for Carnival Rave Party
Aliexpress UK
Easy to use and carry, just peel it and then stick it inside your hats; disposable, no need to clean. It's just take you 1 minute. Not only prevents sweat stains to keep your hat clean and have a long life but also can adjust your hat size.
eBay
1PCS Adult Police Hat Octagon Flat Hat Cosplay Performance Masquerade Fun Props Police Hat Uniform Accessories
Aliexpress UK
【Great Value Set】You will receive 24 pieces of hat size reducer in 2 different colors, 12 pcs black, 12 pcs white. 【Easy to Use】The back of the hat tape size reducer are made of strong adhesive material, which can be attached directly to the inside of the hat, or you can sew them on the sweatband for a firm hold.
eBay
2/4/6Pcs Cap Holder Hat Rack for Baseball Caps Adhesive Hat Hooks for Wall Cap Hanger Storage No Drilling Hat Display Organizer
Aliexpress UK
Prasacco 24 Pcs Hat Inserts to Make Smaller, Hat Size Reducer, Hat Sizing Tape Foam Hat Sizer Insert Tape Hat Adjuster Band for Hat Sweat Liner Protector, 3mm (Black White), 11x2x0.3cm. StyleSimple. Item model numberPrasacco-538541_2.
eBay
Funny Adult Colonial Tricorn Hat Cosplay Pirate Hat Unique Women Male Halloween Party Hat for Historical Reenactments
Aliexpress UK
Are you looking for professional and practical hat size reducer?. If yes, look no further! It is one of the best choices for you. - Hat size reducer is suitable for different hats, proper for hat, straw hat, baseball hat.
eBay
Fashion Movies Witch Wizard Hat Potters Sorting Hat Leather Halloween Party Props Dress Up Hat Men Cosplay Costume Accessories
Aliexpress UK
Easy to use and carry, just peel it and then stick it inside your hats; disposable, no need to clean. Not only prevents sweat stains to keep your hat clean and have a long life but also can adjust your hat size.
eBay
KUNEMS Custom Embroidery Baseball Hat High Quality Cotton Baseball Hats Unisex Design DIY Wholesale Print Custom Summer Sun Hats
Aliexpress UK