Petal Shield (4 ratings) Petal Shield - Prevents your paste from drying out too soon £4.50 inc. VAT (where applicable) We're more than happy to let you know when we expect more stock. Please email us. This petal shield prevents your sugarpaste/florist paste decorations drying out too soon! Simply lift the flap, place cut petals/decorations between the shield. This will effectively prevent the paste from drying out too soon.