KAIHENG 22mm Acrylic Dice with Smoothed Surface Six Sided Dice with Rounded Corner Blank White Dice Cubes for Board Games, DIY Sticker, Math Counting Teaching, Party Fun 100PCSPremium MaterialMade of high quality acrylic, these six sided dices have good impact resistance, so that they will not damage the tabletops. And these dices are also very durable and lightweight, easy to carry. Smooth Blank SurfaceThese acrylic dice cubes with smooth surface that has no splinters are easy to clean. The surface is blank without any printing or engraving, so you can write or draw patterns on the surface with an oily pen. Reasonable