I used those rubber ones but it will have wear and tear. As we only require it till 12-18 months. Get the free one from Dumex
I get from bb fair $12 or $10 i forgot,, those air filled one and waterproof. Dunno the brand lol
can buy at supermarket like fair price or shenshiong, i think tolly joy brand
Can get from Kiddy Palace
Those rubber mat is good
Tollyjoy rubber mat