Protects cap shape during machine cleaning while staying simple to use. Key benefits Prevents deformation: Fourside clasp system with precise 10mm spacing holds the crown and brim steady so baseball caps and sports hats keep their original shape through wash cycles. Machinecompatible: Designed for both dishwashers and washing machines so you can clean caps safely without handwashing. Lightweight, durable protection: Black PP plastic frame weighs just 3.9 ounces yet provides robust support to withstand repeated cleaning cycles. Features Function: Secure fourside clasp locks the hat in place and maintains consistent spacing to prevent crushing or warping. Compatibility: Safe to use in household dishwashers and washer machines; built specifically for cleaning cycles. Material and performance: Constructed from durable black polypropylene (PP) to resist water and detergents while remaining lightweight. Size: Measures 13.9 x 8.7 x 4.9 inches — ideal dimensions to accommodate most standard baseball caps and similar headwear. Practical use scenarios At home dishwasher: Place the cap in the frame and run a normal dishwasher cycle to remove sweat and dirt without flattening the brim. Laundromat or washer machine: Protect several hats in a load; the clasp system keeps each cap stable so it comes out with its shape intact. After sports practice: Quickly clean an athletic cap in the dishwasher or washing machine between uses while preserving fit and form. Why this product matters Saves time and effort by allowing machine cleaning without risking ruined hats. Extends the usable life of caps by preventing repeated deformation. Simple, reliable design that fits most standard baseballstyle caps. Specifications Material: Black PP plastic Weight: 3.9 ounces Clasp: Fourside system with 10mm spacing Dimensions: 13.9 x 8.7 x 4.9 inches