Our BigMAMA Foam roller is designed with a super absorbable foam, >it can absorb enough paint inside & to hold it without spilling. >With one full fill can apply enough meters so you dont have to refill it over & over again. >Made out of a quality Foam >Very important to Clean (Wash) the foam after use, with clean flowing water remove all paint out of it which will assure long lasting usage . >The length of the foam roller is 15cm (~6in). >Foam roller is reusable! Designed & made by our team members! Bigmama Replacement Foam Roller For Pattern Applicator