This Pet Memory Shop® elegance pet casket contains a laced coverlet, pillow and a plush mattress made of elegant satin to ensure that your pet is laid to rest in a manner that is respectful and fitting.br br * The exterior shell is made of two-piece, high-impact polystyrene material for sealing and protection.br * Non-biodegradable, air-tight, and water-tightbr * Includes lace coverlet, padding, pillow, and blanket for a natural and peaceful rest. br * Adhesive roll is included to assist with permanent sealing.br * No vaulting necessarybr * Each casket includes double-sided sealing tape to guarantee permanent sealing.br br * Small: Inside Dimensions: 18" x 10" x 8", Outside Dimensions: 21" x 13" x 8.