3M Easy Shine Reusable Pouches, 5/Carton - MMM55440 PIATTO There is a channel rim

There is a channel rim design with 2 apron

Berms - 8321

but has a 1/16 of an inch allowance

Three Adjustable Shelves

3M Easy Shine Reusable Pouches, 5/Carton - MMM55440 PIATTO There is a channel rimEasy shine applicator system makes floor finishing fast and easy Lightweight durable handle with fingertip dispense control Handy backpack with dispensing tubes that run from the backpack to the applicator Easy replaceable dispensing tubes Easy mounting applicator pad system Canvas backpack with adjustable straps for personal fit Cleaning pouch provided with every applicator. The convenient easy shine system is a unique set of tools and products