Safco Products 4235CL Small Acrylic Collection Box, Clear Acrylic collection suggestion box, drop box, deposit box, prize drawing box, etc. Top slot 4" x 1/2", accepts suggestion cards, sold separately Display area 5 3/8"W x 6 3/4"H, back panel slides out for easy access Acrylic construction Safco Products Suggestion Box Refill Pack Model 4231 available, sold separately