Debenhams Slumber Party 3 Piece PJ Set. This Debenhams Slumber Party 3 Piece PJ Set gives you layered options that add a wave of colourful flair to your nightwear collection.The ultra-soft trousers and jacket, with its comfy hood and zip front fastening, feature a playful, multi-coloured stars and hearts print. Practical and stylish, the T-shirt top continues the playful theme and brings this PJ combo together perfectly. Matching items available.