Lakeside Products Veterinary Bedding Liner Pad for Whelping BoxesDescription Lakeside Products Veterinary Bedding Liner Pad for Whelping Boxes You won't find anything this thick, soft, comfortable and durable in the Big Box Stores! Whelping Box Liners sized to fit the MagnaBox Whelping Box. Available in Royal Blue and Natural (Cream). Whelping Box sits directly on the oversize pad holding it in place and discouraging digging and clumping. Excellent soft absorbent surface to comfort puppies while keeping them dry